3914980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3209}}^1$

素因数の和:3279

約数の個数: 24

約数和(自身を含む): 8358840

約数和(自身を除く): 4443860

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 3209, 6418, 12836, 16045, 32090, 64180, 195749, 391498, 782996, 978745, 1957490, 3914980]

約数ペア:

[(1, 3914980), (2, 1957490), (4, 978745), (5, 782996), (10, 391498), (20, 195749), (61, 64180), (122, 32090), (244, 16045), (305, 12836), (610, 6418), (1220, 3209)]