406115840

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12203}}^1$

素因数の和:12239

約数の個数: 80

約数和(自身を含む): 1048714128

約数和(自身を除く): 642598288

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, 1040, 1280, 1664, 2080, 2560, 3328, 4160, 6656, 8320, 12203, 16640, 24406, 33280, 48812, 61015, 97624, 122030, 158639, 195248, 244060, 317278, 390496, 488120, 634556, 780992, 793195, 976240, 1269112, 1561984, 1586390, 1952480, 2538224, 3123968, 3172780, 3904960, 5076448, 6247936, 6345560, 7809920, 10152896, 12691120, 15619840, 20305792, 25382240, 31239680, 40611584, 50764480, 81223168, 101528960, 203057920, 406115840]

約数ペア:

[(1, 406115840), (2, 203057920), (4, 101528960), (5, 81223168), (8, 50764480), (10, 40611584), (13, 31239680), (16, 25382240), (20, 20305792), (26, 15619840), (32, 12691120), (40, 10152896), (52, 7809920), (64, 6345560), (65, 6247936), (80, 5076448), (104, 3904960), (128, 3172780), (130, 3123968), (160, 2538224), (208, 1952480), (256, 1586390), (260, 1561984), (320, 1269112), (416, 976240), (512, 793195), (520, 780992), (640, 634556), (832, 488120), (1040, 390496), (1280, 317278), (1664, 244060), (2080, 195248), (2560, 158639), (3328, 122030), (4160, 97624), (6656, 61015), (8320, 48812), (12203, 33280), (16640, 24406)]