25325560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1$

素因数の和:568

約数の個数: 64

約数和(自身を含む): 62052480

約数和(自身を除く): 36726920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 113, 130, 226, 260, 431, 452, 520, 565, 862, 904, 1130, 1469, 1724, 2155, 2260, 2938, 3448, 4310, 4520, 5603, 5876, 7345, 8620, 11206, 11752, 14690, 17240, 22412, 28015, 29380, 44824, 48703, 56030, 58760, 97406, 112060, 194812, 224120, 243515, 389624, 487030, 633139, 974060, 1266278, 1948120, 2532556, 3165695, 5065112, 6331390, 12662780, 25325560]

約数ペア:

[(1, 25325560), (2, 12662780), (4, 6331390), (5, 5065112), (8, 3165695), (10, 2532556), (13, 1948120), (20, 1266278), (26, 974060), (40, 633139), (52, 487030), (65, 389624), (104, 243515), (113, 224120), (130, 194812), (226, 112060), (260, 97406), (431, 58760), (452, 56030), (520, 48703), (565, 44824), (862, 29380), (904, 28015), (1130, 22412), (1469, 17240), (1724, 14690), (2155, 11752), (2260, 11206), (2938, 8620), (3448, 7345), (4310, 5876), (4520, 5603)]