72758125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1$

素因数の和:607

約数の個数: 40

約数和(自身を含む): 104591520

約数和(自身を除く): 31833395

約数列:

[1, 5, 11, 19, 25, 55, 95, 125, 209, 275, 475, 557, 625, 1045, 1375, 2375, 2785, 5225, 6127, 6875, 10583, 11875, 13925, 26125, 30635, 52915, 69625, 116413, 130625, 153175, 264575, 348125, 582065, 765875, 1322875, 2910325, 3829375, 6614375, 14551625, 72758125]

約数ペア:

[(1, 72758125), (5, 14551625), (11, 6614375), (19, 3829375), (25, 2910325), (55, 1322875), (95, 765875), (125, 582065), (209, 348125), (275, 264575), (475, 153175), (557, 130625), (625, 116413), (1045, 69625), (1375, 52915), (2375, 30635), (2785, 26125), (5225, 13925), (6127, 11875), (6875, 10583)]