39689780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1\times {\mathrm{521}}^1$

素因数の和:836

約数の個数: 48

約数和(自身を含む): 90239184

約数和(自身を除く): 50549404

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 293, 521, 586, 1042, 1172, 1465, 2084, 2605, 2930, 3809, 5210, 5860, 6773, 7618, 10420, 13546, 15236, 19045, 27092, 33865, 38090, 67730, 76180, 135460, 152653, 305306, 610612, 763265, 1526530, 1984489, 3053060, 3968978, 7937956, 9922445, 19844890, 39689780]

約数ペア:

[(1, 39689780), (2, 19844890), (4, 9922445), (5, 7937956), (10, 3968978), (13, 3053060), (20, 1984489), (26, 1526530), (52, 763265), (65, 610612), (130, 305306), (260, 152653), (293, 135460), (521, 76180), (586, 67730), (1042, 38090), (1172, 33865), (1465, 27092), (2084, 19045), (2605, 15236), (2930, 13546), (3809, 10420), (5210, 7618), (5860, 6773)]