201998624125

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{4391}}^1\times {\mathrm{16001}}^1$

素因数の和:20430

約数の個数: 32

約数和(自身を含む): 263131255296

約数和(自身を除く): 61132631171

約数列:

[1, 5, 23, 25, 115, 125, 575, 2875, 4391, 16001, 21955, 80005, 100993, 109775, 368023, 400025, 504965, 548875, 1840115, 2000125, 2524825, 9200575, 12624125, 46002875, 70260391, 351301955, 1615988993, 1756509775, 8079944965, 8782548875, 40399724825, 201998624125]

約数ペア:

[(1, 201998624125), (5, 40399724825), (23, 8782548875), (25, 8079944965), (115, 1756509775), (125, 1615988993), (575, 351301955), (2875, 70260391), (4391, 46002875), (16001, 12624125), (21955, 9200575), (80005, 2524825), (100993, 2000125), (109775, 1840115), (368023, 548875), (400025, 504965)]