8902580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{173}}^1$

素因数の和:296

約数の個数: 48

約数和(自身を含む): 19643904

約数和(自身を除く): 10741324

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 173, 310, 332, 346, 415, 620, 692, 830, 865, 1660, 1730, 2573, 3460, 5146, 5363, 10292, 10726, 12865, 14359, 21452, 25730, 26815, 28718, 51460, 53630, 57436, 71795, 107260, 143590, 287180, 445129, 890258, 1780516, 2225645, 4451290, 8902580]

約数ペア:

[(1, 8902580), (2, 4451290), (4, 2225645), (5, 1780516), (10, 890258), (20, 445129), (31, 287180), (62, 143590), (83, 107260), (124, 71795), (155, 57436), (166, 53630), (173, 51460), (310, 28718), (332, 26815), (346, 25730), (415, 21452), (620, 14359), (692, 12865), (830, 10726), (865, 10292), (1660, 5363), (1730, 5146), (2573, 3460)]