17912960

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2153}}^1$

素因数の和:2185

約数の個数: 64

約数和(自身を含む): 46138680

約数和(自身を除く): 28225720

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 2153, 4160, 4306, 8320, 8612, 10765, 17224, 21530, 27989, 34448, 43060, 55978, 68896, 86120, 111956, 137792, 139945, 172240, 223912, 275584, 279890, 344480, 447824, 559780, 688960, 895648, 1119560, 1377920, 1791296, 2239120, 3582592, 4478240, 8956480, 17912960]

約数ペア:

[(1, 17912960), (2, 8956480), (4, 4478240), (5, 3582592), (8, 2239120), (10, 1791296), (13, 1377920), (16, 1119560), (20, 895648), (26, 688960), (32, 559780), (40, 447824), (52, 344480), (64, 279890), (65, 275584), (80, 223912), (104, 172240), (128, 139945), (130, 137792), (160, 111956), (208, 86120), (260, 68896), (320, 55978), (416, 43060), (520, 34448), (640, 27989), (832, 21530), (1040, 17224), (1664, 10765), (2080, 8612), (2153, 8320), (4160, 4306)]