25998200

素因数分解:

$2^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 61465560

約数和(自身を除く): 35467360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 61, 100, 122, 200, 244, 305, 488, 610, 1220, 1525, 2131, 2440, 3050, 4262, 6100, 8524, 10655, 12200, 17048, 21310, 42620, 53275, 85240, 106550, 129991, 213100, 259982, 426200, 519964, 649955, 1039928, 1299910, 2599820, 3249775, 5199640, 6499550, 12999100, 25998200]

約数ペア:

[(1, 25998200), (2, 12999100), (4, 6499550), (5, 5199640), (8, 3249775), (10, 2599820), (20, 1299910), (25, 1039928), (40, 649955), (50, 519964), (61, 426200), (100, 259982), (122, 213100), (200, 129991), (244, 106550), (305, 85240), (488, 53275), (610, 42620), (1220, 21310), (1525, 17048), (2131, 12200), (2440, 10655), (3050, 8524), (4262, 6100)]