83813125

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1$

素因数の和:271

約数の個数: 40

約数和(自身を含む): 116512704

約数和(自身を除く): 32699579

約数列:

[1, 5, 11, 25, 55, 73, 125, 167, 275, 365, 625, 803, 835, 1375, 1825, 1837, 4015, 4175, 6875, 9125, 9185, 12191, 20075, 20875, 45625, 45925, 60955, 100375, 104375, 134101, 229625, 304775, 501875, 670505, 1148125, 1523875, 3352525, 7619375, 16762625, 83813125]

約数ペア:

[(1, 83813125), (5, 16762625), (11, 7619375), (25, 3352525), (55, 1523875), (73, 1148125), (125, 670505), (167, 501875), (275, 304775), (365, 229625), (625, 134101), (803, 104375), (835, 100375), (1375, 60955), (1825, 45925), (1837, 45625), (4015, 20875), (4175, 20075), (6875, 12191), (9125, 9185)]