4047160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:248

約数の個数: 64

約数和(自身を含む): 10090080

約数和(自身を除く): 6042920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 43, 52, 65, 86, 104, 130, 172, 181, 215, 260, 344, 362, 430, 520, 559, 724, 860, 905, 1118, 1448, 1720, 1810, 2236, 2353, 2795, 3620, 4472, 4706, 5590, 7240, 7783, 9412, 11180, 11765, 15566, 18824, 22360, 23530, 31132, 38915, 47060, 62264, 77830, 94120, 101179, 155660, 202358, 311320, 404716, 505895, 809432, 1011790, 2023580, 4047160]

約数ペア:

[(1, 4047160), (2, 2023580), (4, 1011790), (5, 809432), (8, 505895), (10, 404716), (13, 311320), (20, 202358), (26, 155660), (40, 101179), (43, 94120), (52, 77830), (65, 62264), (86, 47060), (104, 38915), (130, 31132), (172, 23530), (181, 22360), (215, 18824), (260, 15566), (344, 11765), (362, 11180), (430, 9412), (520, 7783), (559, 7240), (724, 5590), (860, 4706), (905, 4472), (1118, 3620), (1448, 2795), (1720, 2353), (1810, 2236)]