25131080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1559}}^1$

素因数の和:1614

約数の個数: 64

約数和(自身を含む): 62899200

約数和(自身を除く): 37768120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1559, 1612, 2015, 3118, 3224, 4030, 6236, 7795, 8060, 12472, 15590, 16120, 20267, 31180, 40534, 48329, 62360, 81068, 96658, 101335, 162136, 193316, 202670, 241645, 386632, 405340, 483290, 628277, 810680, 966580, 1256554, 1933160, 2513108, 3141385, 5026216, 6282770, 12565540, 25131080]

約数ペア:

[(1, 25131080), (2, 12565540), (4, 6282770), (5, 5026216), (8, 3141385), (10, 2513108), (13, 1933160), (20, 1256554), (26, 966580), (31, 810680), (40, 628277), (52, 483290), (62, 405340), (65, 386632), (104, 241645), (124, 202670), (130, 193316), (155, 162136), (248, 101335), (260, 96658), (310, 81068), (403, 62360), (520, 48329), (620, 40534), (806, 31180), (1240, 20267), (1559, 16120), (1612, 15590), (2015, 12472), (3118, 8060), (3224, 7795), (4030, 6236)]