818796875

素因数分解:

$5^6\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:211

約数の個数: 56

約数和(自身を含む): 1148422800

約数和(自身を除く): 329625925

約数列:

[1, 5, 13, 25, 29, 65, 125, 139, 145, 325, 377, 625, 695, 725, 1625, 1807, 1885, 3125, 3475, 3625, 4031, 8125, 9035, 9425, 15625, 17375, 18125, 20155, 40625, 45175, 47125, 52403, 86875, 90625, 100775, 203125, 225875, 235625, 262015, 434375, 453125, 503875, 1129375, 1178125, 1310075, 2171875, 2519375, 5646875, 5890625, 6550375, 12596875, 28234375, 32751875, 62984375, 163759375, 818796875]

約数ペア:

[(1, 818796875), (5, 163759375), (13, 62984375), (25, 32751875), (29, 28234375), (65, 12596875), (125, 6550375), (139, 5890625), (145, 5646875), (325, 2519375), (377, 2171875), (625, 1310075), (695, 1178125), (725, 1129375), (1625, 503875), (1807, 453125), (1885, 434375), (3125, 262015), (3475, 235625), (3625, 225875), (4031, 203125), (8125, 100775), (9035, 90625), (9425, 86875), (15625, 52403), (17375, 47125), (18125, 45175), (20155, 40625)]