2018183875

素因数分解:

$5^3\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{9887}}^1$

素因数の和:9996

約数の個数: 32

約数和(自身を含む): 2665488384

約数和(自身を除く): 647304509

約数列:

[1, 5, 23, 25, 71, 115, 125, 355, 575, 1633, 1775, 2875, 8165, 8875, 9887, 40825, 49435, 204125, 227401, 247175, 701977, 1137005, 1235875, 3509885, 5685025, 16145471, 17549425, 28425125, 80727355, 87747125, 403636775, 2018183875]

約数ペア:

[(1, 2018183875), (5, 403636775), (23, 87747125), (25, 80727355), (71, 28425125), (115, 17549425), (125, 16145471), (355, 5685025), (575, 3509885), (1633, 1235875), (1775, 1137005), (2875, 701977), (8165, 247175), (8875, 227401), (9887, 204125), (40825, 49435)]