22319375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 40

約数和(自身を含む): 31227504

約数和(自身を除く): 8908129

約数列:

[1, 5, 13, 25, 41, 65, 67, 125, 205, 325, 335, 533, 625, 871, 1025, 1625, 1675, 2665, 2747, 4355, 5125, 8125, 8375, 13325, 13735, 21775, 25625, 35711, 41875, 66625, 68675, 108875, 178555, 333125, 343375, 544375, 892775, 1716875, 4463875, 22319375]

約数ペア:

[(1, 22319375), (5, 4463875), (13, 1716875), (25, 892775), (41, 544375), (65, 343375), (67, 333125), (125, 178555), (205, 108875), (325, 68675), (335, 66625), (533, 41875), (625, 35711), (871, 25625), (1025, 21775), (1625, 13735), (1675, 13325), (2665, 8375), (2747, 8125), (4355, 5125)]