39154375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1$

素因数の和:173

約数の個数: 40

約数和(自身を含む): 54232640

約数和(自身を除く): 15078265

約数列:

[1, 5, 13, 25, 61, 65, 79, 125, 305, 325, 395, 625, 793, 1027, 1525, 1625, 1975, 3965, 4819, 5135, 7625, 8125, 9875, 19825, 24095, 25675, 38125, 49375, 62647, 99125, 120475, 128375, 313235, 495625, 602375, 641875, 1566175, 3011875, 7830875, 39154375]

約数ペア:

[(1, 39154375), (5, 7830875), (13, 3011875), (25, 1566175), (61, 641875), (65, 602375), (79, 495625), (125, 313235), (305, 128375), (325, 120475), (395, 99125), (625, 62647), (793, 49375), (1027, 38125), (1525, 25675), (1625, 24095), (1975, 19825), (3965, 9875), (4819, 8125), (5135, 7625)]