79888640

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4801}}^1$

素因数の和:4835

約数の個数: 72

約数和(自身を含む): 206121048

約数和(自身を除く): 126232408

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, 1040, 1280, 1664, 2080, 3328, 4160, 4801, 8320, 9602, 16640, 19204, 24005, 38408, 48010, 62413, 76816, 96020, 124826, 153632, 192040, 249652, 307264, 312065, 384080, 499304, 614528, 624130, 768160, 998608, 1229056, 1248260, 1536320, 1997216, 2496520, 3072640, 3994432, 4993040, 6145280, 7988864, 9986080, 15977728, 19972160, 39944320, 79888640]

約数ペア:

[(1, 79888640), (2, 39944320), (4, 19972160), (5, 15977728), (8, 9986080), (10, 7988864), (13, 6145280), (16, 4993040), (20, 3994432), (26, 3072640), (32, 2496520), (40, 1997216), (52, 1536320), (64, 1248260), (65, 1229056), (80, 998608), (104, 768160), (128, 624130), (130, 614528), (160, 499304), (208, 384080), (256, 312065), (260, 307264), (320, 249652), (416, 192040), (520, 153632), (640, 124826), (832, 96020), (1040, 76816), (1280, 62413), (1664, 48010), (2080, 38408), (3328, 24005), (4160, 19204), (4801, 16640), (8320, 9602)]