50820625

素因数分解:

$5^4\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 40

約数和(自身を含む): 68178176

約数和(自身を除く): 17357551

約数列:

[1, 5, 25, 31, 43, 61, 125, 155, 215, 305, 625, 775, 1075, 1333, 1525, 1891, 2623, 3875, 5375, 6665, 7625, 9455, 13115, 19375, 26875, 33325, 38125, 47275, 65575, 81313, 166625, 236375, 327875, 406565, 833125, 1181875, 1639375, 2032825, 10164125, 50820625]

約数ペア:

[(1, 50820625), (5, 10164125), (25, 2032825), (31, 1639375), (43, 1181875), (61, 833125), (125, 406565), (155, 327875), (215, 236375), (305, 166625), (625, 81313), (775, 65575), (1075, 47275), (1333, 38125), (1525, 33325), (1891, 26875), (2623, 19375), (3875, 13115), (5375, 9455), (6665, 7625)]