25698840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{647}}^1$

素因数の和:992

約数の個数: 64

約数和(自身を含む): 77448960

約数和(自身を除く): 51750120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 331, 647, 662, 993, 1294, 1324, 1655, 1941, 1986, 2588, 2648, 3235, 3310, 3882, 3972, 4965, 5176, 6470, 6620, 7764, 7944, 9705, 9930, 12940, 13240, 15528, 19410, 19860, 25880, 38820, 39720, 77640, 214157, 428314, 642471, 856628, 1070785, 1284942, 1713256, 2141570, 2569884, 3212355, 4283140, 5139768, 6424710, 8566280, 12849420, 25698840]

約数ペア:

[(1, 25698840), (2, 12849420), (3, 8566280), (4, 6424710), (5, 5139768), (6, 4283140), (8, 3212355), (10, 2569884), (12, 2141570), (15, 1713256), (20, 1284942), (24, 1070785), (30, 856628), (40, 642471), (60, 428314), (120, 214157), (331, 77640), (647, 39720), (662, 38820), (993, 25880), (1294, 19860), (1324, 19410), (1655, 15528), (1941, 13240), (1986, 12940), (2588, 9930), (2648, 9705), (3235, 7944), (3310, 7764), (3882, 6620), (3972, 6470), (4965, 5176)]