39122620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{709}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 85881600

約数和(自身を除く): 46758980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 709, 890, 1418, 1780, 2759, 2836, 3545, 5518, 7090, 11036, 13795, 14180, 21979, 27590, 43958, 55180, 63101, 87916, 109895, 126202, 219790, 252404, 315505, 439580, 631010, 1262020, 1956131, 3912262, 7824524, 9780655, 19561310, 39122620]

約数ペア:

[(1, 39122620), (2, 19561310), (4, 9780655), (5, 7824524), (10, 3912262), (20, 1956131), (31, 1262020), (62, 631010), (89, 439580), (124, 315505), (155, 252404), (178, 219790), (310, 126202), (356, 109895), (445, 87916), (620, 63101), (709, 55180), (890, 43958), (1418, 27590), (1780, 21979), (2759, 14180), (2836, 13795), (3545, 11036), (5518, 7090)]