7829960

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{3209}}^1$

素因数の和:3281

約数の個数: 32

約数和(自身を含む): 17911800

約数和(自身を除く): 10081840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 3209, 6418, 12836, 16045, 25672, 32090, 64180, 128360, 195749, 391498, 782996, 978745, 1565992, 1957490, 3914980, 7829960]

約数ペア:

[(1, 7829960), (2, 3914980), (4, 1957490), (5, 1565992), (8, 978745), (10, 782996), (20, 391498), (40, 195749), (61, 128360), (122, 64180), (244, 32090), (305, 25672), (488, 16045), (610, 12836), (1220, 6418), (2440, 3209)]