2080931840

素因数分解:

$2^{15}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1025

約数の個数: 128

約数和(自身を含む): 5383831320

約数和(自身を除く): 3302899480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 977, 1024, 1040, 1280, 1664, 1954, 2048, 2080, 2560, 3328, 3908, 4096, 4160, 4885, 5120, 6656, 7816, 8192, 8320, 9770, 10240, 12701, 13312, 15632, 16384, 16640, 19540, 20480, 25402, 26624, 31264, 32768, 33280, 39080, 40960, 50804, 53248, 62528, 63505, 66560, 78160, 81920, 101608, 106496, 125056, 127010, 133120, 156320, 163840, 203216, 212992, 250112, 254020, 266240, 312640, 406432, 425984, 500224, 508040, 532480, 625280, 812864, 1000448, 1016080, 1064960, 1250560, 1625728, 2000896, 2032160, 2129920, 2501120, 3251456, 4001792, 4064320, 5002240, 6502912, 8003584, 8128640, 10004480, 13005824, 16007168, 16257280, 20008960, 26011648, 32014336, 32514560, 40017920, 52023296, 65029120, 80035840, 104046592, 130058240, 160071680, 208093184, 260116480, 416186368, 520232960, 1040465920, 2080931840]

約数ペア:

[(1, 2080931840), (2, 1040465920), (4, 520232960), (5, 416186368), (8, 260116480), (10, 208093184), (13, 160071680), (16, 130058240), (20, 104046592), (26, 80035840), (32, 65029120), (40, 52023296), (52, 40017920), (64, 32514560), (65, 32014336), (80, 26011648), (104, 20008960), (128, 16257280), (130, 16007168), (160, 13005824), (208, 10004480), (256, 8128640), (260, 8003584), (320, 6502912), (416, 5002240), (512, 4064320), (520, 4001792), (640, 3251456), (832, 2501120), (977, 2129920), (1024, 2032160), (1040, 2000896), (1280, 1625728), (1664, 1250560), (1954, 1064960), (2048, 1016080), (2080, 1000448), (2560, 812864), (3328, 625280), (3908, 532480), (4096, 508040), (4160, 500224), (4885, 425984), (5120, 406432), (6656, 312640), (7816, 266240), (8192, 254020), (8320, 250112), (9770, 212992), (10240, 203216), (12701, 163840), (13312, 156320), (15632, 133120), (16384, 127010), (16640, 125056), (19540, 106496), (20480, 101608), (25402, 81920), (26624, 78160), (31264, 66560), (32768, 63505), (33280, 62528), (39080, 53248), (40960, 50804)]