31801660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4663}}^1$

素因数の和:4714

約数の個数: 48

約数和(自身を含む): 75220992

約数和(自身を除く): 43419332

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 110, 124, 155, 220, 310, 341, 620, 682, 1364, 1705, 3410, 4663, 6820, 9326, 18652, 23315, 46630, 51293, 93260, 102586, 144553, 205172, 256465, 289106, 512930, 578212, 722765, 1025860, 1445530, 1590083, 2891060, 3180166, 6360332, 7950415, 15900830, 31801660]

約数ペア:

[(1, 31801660), (2, 15900830), (4, 7950415), (5, 6360332), (10, 3180166), (11, 2891060), (20, 1590083), (22, 1445530), (31, 1025860), (44, 722765), (55, 578212), (62, 512930), (110, 289106), (124, 256465), (155, 205172), (220, 144553), (310, 102586), (341, 93260), (620, 51293), (682, 46630), (1364, 23315), (1705, 18652), (3410, 9326), (4663, 6820)]