2629120

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1$

素因数の和:115

約数の個数: 80

約数和(自身を含む): 6874560

約数和(自身を除く): 4245440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 79, 80, 104, 128, 130, 158, 160, 208, 256, 260, 316, 320, 395, 416, 512, 520, 632, 640, 790, 832, 1027, 1040, 1264, 1280, 1580, 1664, 2054, 2080, 2528, 2560, 3160, 3328, 4108, 4160, 5056, 5135, 6320, 6656, 8216, 8320, 10112, 10270, 12640, 16432, 16640, 20224, 20540, 25280, 32864, 33280, 40448, 41080, 50560, 65728, 82160, 101120, 131456, 164320, 202240, 262912, 328640, 525824, 657280, 1314560, 2629120]

約数ペア:

[(1, 2629120), (2, 1314560), (4, 657280), (5, 525824), (8, 328640), (10, 262912), (13, 202240), (16, 164320), (20, 131456), (26, 101120), (32, 82160), (40, 65728), (52, 50560), (64, 41080), (65, 40448), (79, 33280), (80, 32864), (104, 25280), (128, 20540), (130, 20224), (158, 16640), (160, 16432), (208, 12640), (256, 10270), (260, 10112), (316, 8320), (320, 8216), (395, 6656), (416, 6320), (512, 5135), (520, 5056), (632, 4160), (640, 4108), (790, 3328), (832, 3160), (1027, 2560), (1040, 2528), (1264, 2080), (1280, 2054), (1580, 1664)]