87489440

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^2\times {\mathrm{569}}^1$

素因数の和:646

約数の個数: 72

約数和(自身を含む): 213951780

約数和(自身を除く): 126462340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 569, 620, 961, 992, 1138, 1240, 1922, 2276, 2480, 2845, 3844, 4552, 4805, 4960, 5690, 7688, 9104, 9610, 11380, 15376, 17639, 18208, 19220, 22760, 30752, 35278, 38440, 45520, 70556, 76880, 88195, 91040, 141112, 153760, 176390, 282224, 352780, 546809, 564448, 705560, 1093618, 1411120, 2187236, 2734045, 2822240, 4374472, 5468090, 8748944, 10936180, 17497888, 21872360, 43744720, 87489440]

約数ペア:

[(1, 87489440), (2, 43744720), (4, 21872360), (5, 17497888), (8, 10936180), (10, 8748944), (16, 5468090), (20, 4374472), (31, 2822240), (32, 2734045), (40, 2187236), (62, 1411120), (80, 1093618), (124, 705560), (155, 564448), (160, 546809), (248, 352780), (310, 282224), (496, 176390), (569, 153760), (620, 141112), (961, 91040), (992, 88195), (1138, 76880), (1240, 70556), (1922, 45520), (2276, 38440), (2480, 35278), (2845, 30752), (3844, 22760), (4552, 19220), (4805, 18208), (4960, 17639), (5690, 15376), (7688, 11380), (9104, 9610)]