38464660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{619}}^1$

素因数の和:880

約数の個数: 48

約数和(自身を含む): 87494400

約数和(自身を除く): 49029740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 239, 260, 478, 619, 956, 1195, 1238, 2390, 2476, 3095, 3107, 4780, 6190, 6214, 8047, 12380, 12428, 15535, 16094, 31070, 32188, 40235, 62140, 80470, 147941, 160940, 295882, 591764, 739705, 1479410, 1923233, 2958820, 3846466, 7692932, 9616165, 19232330, 38464660]

約数ペア:

[(1, 38464660), (2, 19232330), (4, 9616165), (5, 7692932), (10, 3846466), (13, 2958820), (20, 1923233), (26, 1479410), (52, 739705), (65, 591764), (130, 295882), (239, 160940), (260, 147941), (478, 80470), (619, 62140), (956, 40235), (1195, 32188), (1238, 31070), (2390, 16094), (2476, 15535), (3095, 12428), (3107, 12380), (4780, 8047), (6190, 6214)]