16257280

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{977}}^1$

素因数の和:1011

約数の個数: 72

約数和(自身を含む): 41979672

約数和(自身を除く): 25722392

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, 520, 640, 832, 977, 1040, 1280, 1664, 1954, 2080, 3328, 3908, 4160, 4885, 7816, 8320, 9770, 12701, 15632, 16640, 19540, 25402, 31264, 39080, 50804, 62528, 63505, 78160, 101608, 125056, 127010, 156320, 203216, 250112, 254020, 312640, 406432, 508040, 625280, 812864, 1016080, 1250560, 1625728, 2032160, 3251456, 4064320, 8128640, 16257280]

約数ペア:

[(1, 16257280), (2, 8128640), (4, 4064320), (5, 3251456), (8, 2032160), (10, 1625728), (13, 1250560), (16, 1016080), (20, 812864), (26, 625280), (32, 508040), (40, 406432), (52, 312640), (64, 254020), (65, 250112), (80, 203216), (104, 156320), (128, 127010), (130, 125056), (160, 101608), (208, 78160), (256, 63505), (260, 62528), (320, 50804), (416, 39080), (520, 31264), (640, 25402), (832, 19540), (977, 16640), (1040, 15632), (1280, 12701), (1664, 9770), (1954, 8320), (2080, 7816), (3328, 4885), (3908, 4160)]