12565546820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{431213}}^1$

素因数の和:431300

約数の個数: 48

約数和(自身を含む): 27818477568

約数和(自身を除く): 15252930748

約数列:

[1, 2, 4, 5, 10, 20, 31, 47, 62, 94, 124, 155, 188, 235, 310, 470, 620, 940, 1457, 2914, 5828, 7285, 14570, 29140, 431213, 862426, 1724852, 2156065, 4312130, 8624260, 13367603, 20267011, 26735206, 40534022, 53470412, 66838015, 81068044, 101335055, 133676030, 202670110, 267352060, 405340220, 628277341, 1256554682, 2513109364, 3141386705, 6282773410, 12565546820]

約数ペア:

[(1, 12565546820), (2, 6282773410), (4, 3141386705), (5, 2513109364), (10, 1256554682), (20, 628277341), (31, 405340220), (47, 267352060), (62, 202670110), (94, 133676030), (124, 101335055), (155, 81068044), (188, 66838015), (235, 53470412), (310, 40534022), (470, 26735206), (620, 20267011), (940, 13367603), (1457, 8624260), (2914, 4312130), (5828, 2156065), (7285, 1724852), (14570, 862426), (29140, 431213)]