40474840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4663}}^1$

素因数の和:4712

約数の個数: 64

約数和(自身を含む): 107458560

約数和(自身を除く): 66983720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 2170, 4340, 4663, 8680, 9326, 18652, 23315, 32641, 37304, 46630, 65282, 93260, 130564, 144553, 163205, 186520, 261128, 289106, 326410, 578212, 652820, 722765, 1011871, 1156424, 1305640, 1445530, 2023742, 2891060, 4047484, 5059355, 5782120, 8094968, 10118710, 20237420, 40474840]

約数ペア:

[(1, 40474840), (2, 20237420), (4, 10118710), (5, 8094968), (7, 5782120), (8, 5059355), (10, 4047484), (14, 2891060), (20, 2023742), (28, 1445530), (31, 1305640), (35, 1156424), (40, 1011871), (56, 722765), (62, 652820), (70, 578212), (124, 326410), (140, 289106), (155, 261128), (217, 186520), (248, 163205), (280, 144553), (310, 130564), (434, 93260), (620, 65282), (868, 46630), (1085, 37304), (1240, 32641), (1736, 23315), (2170, 18652), (4340, 9326), (4663, 8680)]