42765625

素因数分解:

$5^6\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1$

素因数の和:77

約数の個数: 56

約数和(自身を含む): 67499136

約数和(自身を除く): 24733511

約数列:

[1, 5, 7, 17, 23, 25, 35, 85, 115, 119, 125, 161, 175, 391, 425, 575, 595, 625, 805, 875, 1955, 2125, 2737, 2875, 2975, 3125, 4025, 4375, 9775, 10625, 13685, 14375, 14875, 15625, 20125, 21875, 48875, 53125, 68425, 71875, 74375, 100625, 109375, 244375, 265625, 342125, 359375, 371875, 503125, 1221875, 1710625, 1859375, 2515625, 6109375, 8553125, 42765625]

約数ペア:

[(1, 42765625), (5, 8553125), (7, 6109375), (17, 2515625), (23, 1859375), (25, 1710625), (35, 1221875), (85, 503125), (115, 371875), (119, 359375), (125, 342125), (161, 265625), (175, 244375), (391, 109375), (425, 100625), (575, 74375), (595, 71875), (625, 68425), (805, 53125), (875, 48875), (1955, 21875), (2125, 20125), (2737, 15625), (2875, 14875), (2975, 14375), (3125, 13685), (4025, 10625), (4375, 9775)]