39865020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51109}}^1$

素因数の和:51134

約数の個数: 48

約数和(自身を含む): 120210720

約数和(自身を除く): 80345700

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 51109, 102218, 153327, 204436, 255545, 306654, 511090, 613308, 664417, 766635, 1022180, 1328834, 1533270, 1993251, 2657668, 3066540, 3322085, 3986502, 6644170, 7973004, 9966255, 13288340, 19932510, 39865020]

約数ペア:

[(1, 39865020), (2, 19932510), (3, 13288340), (4, 9966255), (5, 7973004), (6, 6644170), (10, 3986502), (12, 3322085), (13, 3066540), (15, 2657668), (20, 1993251), (26, 1533270), (30, 1328834), (39, 1022180), (52, 766635), (60, 664417), (65, 613308), (78, 511090), (130, 306654), (156, 255545), (195, 204436), (260, 153327), (390, 102218), (780, 51109)]