4731220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 11063808

約数和(自身を除く): 6332588

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 587, 620, 806, 1174, 1612, 2015, 2348, 2935, 4030, 5870, 7631, 8060, 11740, 15262, 18197, 30524, 36394, 38155, 72788, 76310, 90985, 152620, 181970, 236561, 363940, 473122, 946244, 1182805, 2365610, 4731220]

約数ペア:

[(1, 4731220), (2, 2365610), (4, 1182805), (5, 946244), (10, 473122), (13, 363940), (20, 236561), (26, 181970), (31, 152620), (52, 90985), (62, 76310), (65, 72788), (124, 38155), (130, 36394), (155, 30524), (260, 18197), (310, 15262), (403, 11740), (587, 8060), (620, 7631), (806, 5870), (1174, 4030), (1612, 2935), (2015, 2348)]