40318980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51691}}^1$

素因数の和:51716

約数の個数: 48

約数和(自身を含む): 121579584

約数和(自身を除く): 81260604

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, 51691, 103382, 155073, 206764, 258455, 310146, 516910, 620292, 671983, 775365, 1033820, 1343966, 1550730, 2015949, 2687932, 3101460, 3359915, 4031898, 6719830, 8063796, 10079745, 13439660, 20159490, 40318980]

約数ペア:

[(1, 40318980), (2, 20159490), (3, 13439660), (4, 10079745), (5, 8063796), (6, 6719830), (10, 4031898), (12, 3359915), (13, 3101460), (15, 2687932), (20, 2015949), (26, 1550730), (30, 1343966), (39, 1033820), (52, 775365), (60, 671983), (65, 620292), (78, 516910), (130, 310146), (156, 258455), (195, 206764), (260, 155073), (390, 103382), (780, 51691)]