39642640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{283}}^1$

素因数の和:416

約数の個数: 80

約数和(自身を含む): 98886528

約数和(自身を除く): 59243888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 103, 136, 170, 206, 272, 283, 340, 412, 515, 566, 680, 824, 1030, 1132, 1360, 1415, 1648, 1751, 2060, 2264, 2830, 3502, 4120, 4528, 4811, 5660, 7004, 8240, 8755, 9622, 11320, 14008, 17510, 19244, 22640, 24055, 28016, 29149, 35020, 38488, 48110, 58298, 70040, 76976, 96220, 116596, 140080, 145745, 192440, 233192, 291490, 384880, 466384, 495533, 582980, 991066, 1165960, 1982132, 2331920, 2477665, 3964264, 4955330, 7928528, 9910660, 19821320, 39642640]

約数ペア:

[(1, 39642640), (2, 19821320), (4, 9910660), (5, 7928528), (8, 4955330), (10, 3964264), (16, 2477665), (17, 2331920), (20, 1982132), (34, 1165960), (40, 991066), (68, 582980), (80, 495533), (85, 466384), (103, 384880), (136, 291490), (170, 233192), (206, 192440), (272, 145745), (283, 140080), (340, 116596), (412, 96220), (515, 76976), (566, 70040), (680, 58298), (824, 48110), (1030, 38488), (1132, 35020), (1360, 29149), (1415, 28016), (1648, 24055), (1751, 22640), (2060, 19244), (2264, 17510), (2830, 14008), (3502, 11320), (4120, 9622), (4528, 8755), (4811, 8240), (5660, 7004)]