39252890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{229}}^1\times {\mathrm{281}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 72383760

約数和(自身を除く): 33130870

約数列:

[1, 2, 5, 10, 61, 122, 229, 281, 305, 458, 562, 610, 1145, 1405, 2290, 2810, 13969, 17141, 27938, 34282, 64349, 69845, 85705, 128698, 139690, 171410, 321745, 643490, 3925289, 7850578, 19626445, 39252890]

約数ペア:

[(1, 39252890), (2, 19626445), (5, 7850578), (10, 3925289), (61, 643490), (122, 321745), (229, 171410), (281, 139690), (305, 128698), (458, 85705), (562, 69845), (610, 64349), (1145, 34282), (1405, 27938), (2290, 17141), (2810, 13969)]