25287720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{210731}}^1$

素因数の和:210745

約数の個数: 32

約数和(自身を含む): 75863520

約数和(自身を除く): 50575800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 210731, 421462, 632193, 842924, 1053655, 1264386, 1685848, 2107310, 2528772, 3160965, 4214620, 5057544, 6321930, 8429240, 12643860, 25287720]

約数ペア:

[(1, 25287720), (2, 12643860), (3, 8429240), (4, 6321930), (5, 5057544), (6, 4214620), (8, 3160965), (10, 2528772), (12, 2107310), (15, 1685848), (20, 1264386), (24, 1053655), (30, 842924), (40, 632193), (60, 421462), (120, 210731)]