24930820

素因数分解:

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

素因数の和:628

約数の個数: 48

約数和(自身を含む): 54835200

約数和(自身を除く): 29904380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 79, 124, 155, 158, 310, 316, 395, 509, 620, 790, 1018, 1580, 2036, 2449, 2545, 4898, 5090, 9796, 10180, 12245, 15779, 24490, 31558, 40211, 48980, 63116, 78895, 80422, 157790, 160844, 201055, 315580, 402110, 804220, 1246541, 2493082, 4986164, 6232705, 12465410, 24930820]

約数ペア:

[(1, 24930820), (2, 12465410), (4, 6232705), (5, 4986164), (10, 2493082), (20, 1246541), (31, 804220), (62, 402110), (79, 315580), (124, 201055), (155, 160844), (158, 157790), (310, 80422), (316, 78895), (395, 63116), (509, 48980), (620, 40211), (790, 31558), (1018, 24490), (1580, 15779), (2036, 12245), (2449, 10180), (2545, 9796), (4898, 5090)]