61679540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{3889}}^1$

素因数の和:3972

約数の個数: 48

約数和(自身を含む): 141813840

約数和(自身を除く): 80134300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3889, 3965, 7778, 7930, 15556, 15860, 19445, 38890, 50557, 77780, 101114, 202228, 237229, 252785, 474458, 505570, 948916, 1011140, 1186145, 2372290, 3083977, 4744580, 6167954, 12335908, 15419885, 30839770, 61679540]

約数ペア:

[(1, 61679540), (2, 30839770), (4, 15419885), (5, 12335908), (10, 6167954), (13, 4744580), (20, 3083977), (26, 2372290), (52, 1186145), (61, 1011140), (65, 948916), (122, 505570), (130, 474458), (244, 252785), (260, 237229), (305, 202228), (610, 101114), (793, 77780), (1220, 50557), (1586, 38890), (3172, 19445), (3889, 15860), (3965, 15556), (7778, 7930)]