25307940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{60257}}^1$

素因数の和:60276

約数の個数: 48

約数和(自身を含む): 80986752

約数和(自身を除く): 55678812

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, 60257, 120514, 180771, 241028, 301285, 361542, 421799, 602570, 723084, 843598, 903855, 1205140, 1265397, 1687196, 1807710, 2108995, 2530794, 3615420, 4217990, 5061588, 6326985, 8435980, 12653970, 25307940]

約数ペア:

[(1, 25307940), (2, 12653970), (3, 8435980), (4, 6326985), (5, 5061588), (6, 4217990), (7, 3615420), (10, 2530794), (12, 2108995), (14, 1807710), (15, 1687196), (20, 1265397), (21, 1205140), (28, 903855), (30, 843598), (35, 723084), (42, 602570), (60, 421799), (70, 361542), (84, 301285), (105, 241028), (140, 180771), (210, 120514), (420, 60257)]