20242151875

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{7027}}^1$

素因数の和:7477

約数の個数: 40

約数和(自身を含む): 27663894720

約数和(自身を除く): 7421742845

約数列:

[1, 5, 11, 25, 55, 125, 275, 419, 625, 1375, 2095, 4609, 6875, 7027, 10475, 23045, 35135, 52375, 77297, 115225, 175675, 261875, 386485, 576125, 878375, 1932425, 2880625, 2944313, 4391875, 9662125, 14721565, 32387443, 48310625, 73607825, 161937215, 368039125, 809686075, 1840195625, 4048430375, 20242151875]

約数ペア:

[(1, 20242151875), (5, 4048430375), (11, 1840195625), (25, 809686075), (55, 368039125), (125, 161937215), (275, 73607825), (419, 48310625), (625, 32387443), (1375, 14721565), (2095, 9662125), (4609, 4391875), (6875, 2944313), (7027, 2880625), (10475, 1932425), (23045, 878375), (35135, 576125), (52375, 386485), (77297, 261875), (115225, 175675)]