87688640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:334

約数の個数: 112

約数和(自身を含む): 228124512

約数和(自身を除く): 140435872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 107, 130, 160, 197, 208, 214, 260, 320, 394, 416, 428, 520, 535, 788, 832, 856, 985, 1040, 1070, 1391, 1576, 1712, 1970, 2080, 2140, 2561, 2782, 3152, 3424, 3940, 4160, 4280, 5122, 5564, 6304, 6848, 6955, 7880, 8560, 10244, 11128, 12608, 12805, 13910, 15760, 17120, 20488, 21079, 22256, 25610, 27820, 31520, 34240, 40976, 42158, 44512, 51220, 55640, 63040, 81952, 84316, 89024, 102440, 105395, 111280, 163904, 168632, 204880, 210790, 222560, 274027, 337264, 409760, 421580, 445120, 548054, 674528, 819520, 843160, 1096108, 1349056, 1370135, 1686320, 2192216, 2740270, 3372640, 4384432, 5480540, 6745280, 8768864, 10961080, 17537728, 21922160, 43844320, 87688640]

約数ペア:

[(1, 87688640), (2, 43844320), (4, 21922160), (5, 17537728), (8, 10961080), (10, 8768864), (13, 6745280), (16, 5480540), (20, 4384432), (26, 3372640), (32, 2740270), (40, 2192216), (52, 1686320), (64, 1370135), (65, 1349056), (80, 1096108), (104, 843160), (107, 819520), (130, 674528), (160, 548054), (197, 445120), (208, 421580), (214, 409760), (260, 337264), (320, 274027), (394, 222560), (416, 210790), (428, 204880), (520, 168632), (535, 163904), (788, 111280), (832, 105395), (856, 102440), (985, 89024), (1040, 84316), (1070, 81952), (1391, 63040), (1576, 55640), (1712, 51220), (1970, 44512), (2080, 42158), (2140, 40976), (2561, 34240), (2782, 31520), (3152, 27820), (3424, 25610), (3940, 22256), (4160, 21079), (4280, 20488), (5122, 17120), (5564, 15760), (6304, 13910), (6848, 12805), (6955, 12608), (7880, 11128), (8560, 10244)]