8157340

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 18063360

約数和(自身を除く): 9906020

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 223, 236, 295, 310, 446, 590, 620, 892, 1115, 1180, 1829, 2230, 3658, 4460, 6913, 7316, 9145, 13157, 13826, 18290, 26314, 27652, 34565, 36580, 52628, 65785, 69130, 131570, 138260, 263140, 407867, 815734, 1631468, 2039335, 4078670, 8157340]

約数ペア:

[(1, 8157340), (2, 4078670), (4, 2039335), (5, 1631468), (10, 815734), (20, 407867), (31, 263140), (59, 138260), (62, 131570), (118, 69130), (124, 65785), (155, 52628), (223, 36580), (236, 34565), (295, 27652), (310, 26314), (446, 18290), (590, 13826), (620, 13157), (892, 9145), (1115, 7316), (1180, 6913), (1829, 4460), (2230, 3658)]