88948880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:592

約数の個数: 80

約数和(自身を含む): 219777600

約数和(自身を除く): 130828720

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 139, 152, 190, 278, 304, 380, 421, 556, 695, 760, 842, 1112, 1390, 1520, 1684, 2105, 2224, 2641, 2780, 3368, 4210, 5282, 5560, 6736, 7999, 8420, 10564, 11120, 13205, 15998, 16840, 21128, 26410, 31996, 33680, 39995, 42256, 52820, 58519, 63992, 79990, 105640, 117038, 127984, 159980, 211280, 234076, 292595, 319960, 468152, 585190, 639920, 936304, 1111861, 1170380, 2223722, 2340760, 4447444, 4681520, 5559305, 8894888, 11118610, 17789776, 22237220, 44474440, 88948880]

約数ペア:

[(1, 88948880), (2, 44474440), (4, 22237220), (5, 17789776), (8, 11118610), (10, 8894888), (16, 5559305), (19, 4681520), (20, 4447444), (38, 2340760), (40, 2223722), (76, 1170380), (80, 1111861), (95, 936304), (139, 639920), (152, 585190), (190, 468152), (278, 319960), (304, 292595), (380, 234076), (421, 211280), (556, 159980), (695, 127984), (760, 117038), (842, 105640), (1112, 79990), (1390, 63992), (1520, 58519), (1684, 52820), (2105, 42256), (2224, 39995), (2641, 33680), (2780, 31996), (3368, 26410), (4210, 21128), (5282, 16840), (5560, 15998), (6736, 13205), (7999, 11120), (8420, 10564)]