87280040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{3469}}^1$

素因数の和:3534

約数の個数: 64

約数和(自身を含む): 213613200

約数和(自身を除く): 126333160

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 37, 40, 68, 74, 85, 136, 148, 170, 185, 296, 340, 370, 629, 680, 740, 1258, 1480, 2516, 3145, 3469, 5032, 6290, 6938, 12580, 13876, 17345, 25160, 27752, 34690, 58973, 69380, 117946, 128353, 138760, 235892, 256706, 294865, 471784, 513412, 589730, 641765, 1026824, 1179460, 1283530, 2182001, 2358920, 2567060, 4364002, 5134120, 8728004, 10910005, 17456008, 21820010, 43640020, 87280040]

約数ペア:

[(1, 87280040), (2, 43640020), (4, 21820010), (5, 17456008), (8, 10910005), (10, 8728004), (17, 5134120), (20, 4364002), (34, 2567060), (37, 2358920), (40, 2182001), (68, 1283530), (74, 1179460), (85, 1026824), (136, 641765), (148, 589730), (170, 513412), (185, 471784), (296, 294865), (340, 256706), (370, 235892), (629, 138760), (680, 128353), (740, 117946), (1258, 69380), (1480, 58973), (2516, 34690), (3145, 27752), (3469, 25160), (5032, 17345), (6290, 13876), (6938, 12580)]