99723280

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1$

素因数の和:632

約数の個数: 80

約数和(自身を含む): 242841600

約数和(自身を除く): 143118320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 79, 80, 124, 155, 158, 248, 310, 316, 395, 496, 509, 620, 632, 790, 1018, 1240, 1264, 1580, 2036, 2449, 2480, 2545, 3160, 4072, 4898, 5090, 6320, 8144, 9796, 10180, 12245, 15779, 19592, 20360, 24490, 31558, 39184, 40211, 40720, 48980, 63116, 78895, 80422, 97960, 126232, 157790, 160844, 195920, 201055, 252464, 315580, 321688, 402110, 631160, 643376, 804220, 1246541, 1262320, 1608440, 2493082, 3216880, 4986164, 6232705, 9972328, 12465410, 19944656, 24930820, 49861640, 99723280]

約数ペア:

[(1, 99723280), (2, 49861640), (4, 24930820), (5, 19944656), (8, 12465410), (10, 9972328), (16, 6232705), (20, 4986164), (31, 3216880), (40, 2493082), (62, 1608440), (79, 1262320), (80, 1246541), (124, 804220), (155, 643376), (158, 631160), (248, 402110), (310, 321688), (316, 315580), (395, 252464), (496, 201055), (509, 195920), (620, 160844), (632, 157790), (790, 126232), (1018, 97960), (1240, 80422), (1264, 78895), (1580, 63116), (2036, 48980), (2449, 40720), (2480, 40211), (2545, 39184), (3160, 31558), (4072, 24490), (4898, 20360), (5090, 19592), (6320, 15779), (8144, 12245), (9796, 10180)]