25902125

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 32

約数和(自身を含む): 34045440

約数和(自身を除く): 8143315

約数列:

[1, 5, 25, 43, 61, 79, 125, 215, 305, 395, 1075, 1525, 1975, 2623, 3397, 4819, 5375, 7625, 9875, 13115, 16985, 24095, 65575, 84925, 120475, 207217, 327875, 424625, 602375, 1036085, 5180425, 25902125]

約数ペア:

[(1, 25902125), (5, 5180425), (25, 1036085), (43, 602375), (61, 424625), (79, 327875), (125, 207217), (215, 120475), (305, 84925), (395, 65575), (1075, 24095), (1525, 16985), (1975, 13115), (2623, 9875), (3397, 7625), (4819, 5375)]