40989520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3583}}^1$

素因数の和:3620

約数の個数: 80

約数和(自身を含む): 111992832

約数和(自身を除く): 71003312

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2860, 3583, 5720, 7166, 11440, 14332, 17915, 28664, 35830, 39413, 46579, 57328, 71660, 78826, 93158, 143320, 157652, 186316, 197065, 232895, 286640, 315304, 372632, 394130, 465790, 512369, 630608, 745264, 788260, 931580, 1024738, 1576520, 1863160, 2049476, 2561845, 3153040, 3726320, 4098952, 5123690, 8197904, 10247380, 20494760, 40989520]

約数ペア:

[(1, 40989520), (2, 20494760), (4, 10247380), (5, 8197904), (8, 5123690), (10, 4098952), (11, 3726320), (13, 3153040), (16, 2561845), (20, 2049476), (22, 1863160), (26, 1576520), (40, 1024738), (44, 931580), (52, 788260), (55, 745264), (65, 630608), (80, 512369), (88, 465790), (104, 394130), (110, 372632), (130, 315304), (143, 286640), (176, 232895), (208, 197065), (220, 186316), (260, 157652), (286, 143320), (440, 93158), (520, 78826), (572, 71660), (715, 57328), (880, 46579), (1040, 39413), (1144, 35830), (1430, 28664), (2288, 17915), (2860, 14332), (3583, 11440), (5720, 7166)]