1947486580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{58979}}^1$

素因数の和:59128

約数の個数: 48

約数和(自身を含む): 4439070720

約数和(自身を除く): 2491584140

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2540, 3302, 6604, 8255, 16510, 33020, 58979, 117958, 235916, 294895, 589790, 766727, 1179580, 1533454, 3066908, 3833635, 7490333, 7667270, 14980666, 15334540, 29961332, 37451665, 74903330, 97374329, 149806660, 194748658, 389497316, 486871645, 973743290, 1947486580]

約数ペア:

[(1, 1947486580), (2, 973743290), (4, 486871645), (5, 389497316), (10, 194748658), (13, 149806660), (20, 97374329), (26, 74903330), (52, 37451665), (65, 29961332), (127, 15334540), (130, 14980666), (254, 7667270), (260, 7490333), (508, 3833635), (635, 3066908), (1270, 1533454), (1651, 1179580), (2540, 766727), (3302, 589790), (6604, 294895), (8255, 235916), (16510, 117958), (33020, 58979)]