25659400

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:239

約数の個数: 96

約数和(自身を含む): 65620800

約数和(自身を除く): 39961400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 71, 100, 104, 130, 139, 142, 200, 260, 278, 284, 325, 355, 520, 556, 568, 650, 695, 710, 923, 1112, 1300, 1390, 1420, 1775, 1807, 1846, 2600, 2780, 2840, 3475, 3550, 3614, 3692, 4615, 5560, 6950, 7100, 7228, 7384, 9035, 9230, 9869, 13900, 14200, 14456, 18070, 18460, 19738, 23075, 27800, 36140, 36920, 39476, 45175, 46150, 49345, 72280, 78952, 90350, 92300, 98690, 128297, 180700, 184600, 197380, 246725, 256594, 361400, 394760, 493450, 513188, 641485, 986900, 1026376, 1282970, 1973800, 2565940, 3207425, 5131880, 6414850, 12829700, 25659400]

約数ペア:

[(1, 25659400), (2, 12829700), (4, 6414850), (5, 5131880), (8, 3207425), (10, 2565940), (13, 1973800), (20, 1282970), (25, 1026376), (26, 986900), (40, 641485), (50, 513188), (52, 493450), (65, 394760), (71, 361400), (100, 256594), (104, 246725), (130, 197380), (139, 184600), (142, 180700), (200, 128297), (260, 98690), (278, 92300), (284, 90350), (325, 78952), (355, 72280), (520, 49345), (556, 46150), (568, 45175), (650, 39476), (695, 36920), (710, 36140), (923, 27800), (1112, 23075), (1300, 19738), (1390, 18460), (1420, 18070), (1775, 14456), (1807, 14200), (1846, 13900), (2600, 9869), (2780, 9230), (2840, 9035), (3475, 7384), (3550, 7228), (3614, 7100), (3692, 6950), (4615, 5560)]