25391940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60457}}^1$

素因数の和:60476

約数の個数: 48

約数和(自身を含む): 81255552

約数和(自身を除く): 55863612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 60457, 120914, 181371, 241828, 302285, 362742, 423199, 604570, 725484, 846398, 906855, 1209140, 1269597, 1692796, 1813710, 2115995, 2539194, 3627420, 4231990, 5078388, 6347985, 8463980, 12695970, 25391940]

約数ペア:

[(1, 25391940), (2, 12695970), (3, 8463980), (4, 6347985), (5, 5078388), (6, 4231990), (7, 3627420), (10, 2539194), (12, 2115995), (14, 1813710), (15, 1692796), (20, 1269597), (21, 1209140), (28, 906855), (30, 846398), (35, 725484), (42, 604570), (60, 423199), (70, 362742), (84, 302285), (105, 241828), (140, 181371), (210, 120914), (420, 60457)]