39216860

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{1471}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 87048192

約数和(自身を除く): 47831332

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 1333, 1471, 2666, 2942, 5332, 5884, 6665, 7355, 13330, 14710, 26660, 29420, 45601, 63253, 91202, 126506, 182404, 228005, 253012, 316265, 456010, 632530, 912020, 1265060, 1960843, 3921686, 7843372, 9804215, 19608430, 39216860]

約数ペア:

[(1, 39216860), (2, 19608430), (4, 9804215), (5, 7843372), (10, 3921686), (20, 1960843), (31, 1265060), (43, 912020), (62, 632530), (86, 456010), (124, 316265), (155, 253012), (172, 228005), (215, 182404), (310, 126506), (430, 91202), (620, 63253), (860, 45601), (1333, 29420), (1471, 26660), (2666, 14710), (2942, 13330), (5332, 7355), (5884, 6665)]