40148560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{557}}^1$

素因数の和:640

約数の個数: 80

約数和(自身を含む): 100881936

約数和(自身を除く): 60733376

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 212, 265, 272, 340, 424, 530, 557, 680, 848, 901, 1060, 1114, 1360, 1802, 2120, 2228, 2785, 3604, 4240, 4456, 4505, 5570, 7208, 8912, 9010, 9469, 11140, 14416, 18020, 18938, 22280, 29521, 36040, 37876, 44560, 47345, 59042, 72080, 75752, 94690, 118084, 147605, 151504, 189380, 236168, 295210, 378760, 472336, 501857, 590420, 757520, 1003714, 1180840, 2007428, 2361680, 2509285, 4014856, 5018570, 8029712, 10037140, 20074280, 40148560]

約数ペア:

[(1, 40148560), (2, 20074280), (4, 10037140), (5, 8029712), (8, 5018570), (10, 4014856), (16, 2509285), (17, 2361680), (20, 2007428), (34, 1180840), (40, 1003714), (53, 757520), (68, 590420), (80, 501857), (85, 472336), (106, 378760), (136, 295210), (170, 236168), (212, 189380), (265, 151504), (272, 147605), (340, 118084), (424, 94690), (530, 75752), (557, 72080), (680, 59042), (848, 47345), (901, 44560), (1060, 37876), (1114, 36040), (1360, 29521), (1802, 22280), (2120, 18938), (2228, 18020), (2785, 14416), (3604, 11140), (4240, 9469), (4456, 9010), (4505, 8912), (5570, 7208)]