78040625

素因数分解:

$5^5\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 112211568

約数和(自身を除く): 34170943

約数列:

[1, 5, 13, 17, 25, 65, 85, 113, 125, 221, 325, 425, 565, 625, 1105, 1469, 1625, 1921, 2125, 2825, 3125, 5525, 7345, 8125, 9605, 10625, 14125, 24973, 27625, 36725, 40625, 48025, 53125, 70625, 124865, 138125, 183625, 240125, 353125, 624325, 690625, 918125, 1200625, 3121625, 4590625, 6003125, 15608125, 78040625]

約数ペア:

[(1, 78040625), (5, 15608125), (13, 6003125), (17, 4590625), (25, 3121625), (65, 1200625), (85, 918125), (113, 690625), (125, 624325), (221, 353125), (325, 240125), (425, 183625), (565, 138125), (625, 124865), (1105, 70625), (1469, 53125), (1625, 48025), (1921, 40625), (2125, 36725), (2825, 27625), (3125, 24973), (5525, 14125), (7345, 10625), (8125, 9605)]