23615540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1489}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 54319440

約数和(自身を除く): 30703900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1489, 1586, 2978, 3172, 3965, 5956, 7445, 7930, 14890, 15860, 19357, 29780, 38714, 77428, 90829, 96785, 181658, 193570, 363316, 387140, 454145, 908290, 1180777, 1816580, 2361554, 4723108, 5903885, 11807770, 23615540]

約数ペア:

[(1, 23615540), (2, 11807770), (4, 5903885), (5, 4723108), (10, 2361554), (13, 1816580), (20, 1180777), (26, 908290), (52, 454145), (61, 387140), (65, 363316), (122, 193570), (130, 181658), (244, 96785), (260, 90829), (305, 77428), (610, 38714), (793, 29780), (1220, 19357), (1489, 15860), (1586, 14890), (2978, 7930), (3172, 7445), (3965, 5956)]