29271320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{311}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 71547840

約数和(自身を除く): 42276520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 181, 260, 311, 362, 520, 622, 724, 905, 1244, 1448, 1555, 1810, 2353, 2488, 3110, 3620, 4043, 4706, 6220, 7240, 8086, 9412, 11765, 12440, 16172, 18824, 20215, 23530, 32344, 40430, 47060, 56291, 80860, 94120, 112582, 161720, 225164, 281455, 450328, 562910, 731783, 1125820, 1463566, 2251640, 2927132, 3658915, 5854264, 7317830, 14635660, 29271320]

約数ペア:

[(1, 29271320), (2, 14635660), (4, 7317830), (5, 5854264), (8, 3658915), (10, 2927132), (13, 2251640), (20, 1463566), (26, 1125820), (40, 731783), (52, 562910), (65, 450328), (104, 281455), (130, 225164), (181, 161720), (260, 112582), (311, 94120), (362, 80860), (520, 56291), (622, 47060), (724, 40430), (905, 32344), (1244, 23530), (1448, 20215), (1555, 18824), (1810, 16172), (2353, 12440), (2488, 11765), (3110, 9412), (3620, 8086), (4043, 7240), (4706, 6220)]