8561540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 20752200

約数和(自身を除く): 12190660

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 149, 169, 170, 221, 260, 298, 338, 340, 442, 596, 676, 745, 845, 884, 1105, 1490, 1690, 1937, 2210, 2533, 2873, 2980, 3380, 3874, 4420, 5066, 5746, 7748, 9685, 10132, 11492, 12665, 14365, 19370, 25181, 25330, 28730, 32929, 38740, 50362, 50660, 57460, 65858, 100724, 125905, 131716, 164645, 251810, 329290, 428077, 503620, 658580, 856154, 1712308, 2140385, 4280770, 8561540]

約数ペア:

[(1, 8561540), (2, 4280770), (4, 2140385), (5, 1712308), (10, 856154), (13, 658580), (17, 503620), (20, 428077), (26, 329290), (34, 251810), (52, 164645), (65, 131716), (68, 125905), (85, 100724), (130, 65858), (149, 57460), (169, 50660), (170, 50362), (221, 38740), (260, 32929), (298, 28730), (338, 25330), (340, 25181), (442, 19370), (596, 14365), (676, 12665), (745, 11492), (845, 10132), (884, 9685), (1105, 7748), (1490, 5746), (1690, 5066), (1937, 4420), (2210, 3874), (2533, 3380), (2873, 2980)]