202040540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{12739}}^1$

素因数の和:12822

約数の個数: 48

約数和(自身を含む): 464449440

約数和(自身を除く): 262408900

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 12739, 15860, 25478, 50956, 63695, 127390, 165607, 254780, 331214, 662428, 777079, 828035, 1554158, 1656070, 3108316, 3312140, 3885395, 7770790, 10102027, 15541580, 20204054, 40408108, 50510135, 101020270, 202040540]

約数ペア:

[(1, 202040540), (2, 101020270), (4, 50510135), (5, 40408108), (10, 20204054), (13, 15541580), (20, 10102027), (26, 7770790), (52, 3885395), (61, 3312140), (65, 3108316), (122, 1656070), (130, 1554158), (244, 828035), (260, 777079), (305, 662428), (610, 331214), (793, 254780), (1220, 165607), (1586, 127390), (3172, 63695), (3965, 50956), (7930, 25478), (12739, 15860)]