39992840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{571}}^1$

素因数の和:702

約数の個数: 64

約数和(自身を含む): 96370560

約数和(自身を除く): 56377720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 103, 136, 170, 206, 340, 412, 515, 571, 680, 824, 1030, 1142, 1751, 2060, 2284, 2855, 3502, 4120, 4568, 5710, 7004, 8755, 9707, 11420, 14008, 17510, 19414, 22840, 35020, 38828, 48535, 58813, 70040, 77656, 97070, 117626, 194140, 235252, 294065, 388280, 470504, 588130, 999821, 1176260, 1999642, 2352520, 3999284, 4999105, 7998568, 9998210, 19996420, 39992840]

約数ペア:

[(1, 39992840), (2, 19996420), (4, 9998210), (5, 7998568), (8, 4999105), (10, 3999284), (17, 2352520), (20, 1999642), (34, 1176260), (40, 999821), (68, 588130), (85, 470504), (103, 388280), (136, 294065), (170, 235252), (206, 194140), (340, 117626), (412, 97070), (515, 77656), (571, 70040), (680, 58813), (824, 48535), (1030, 38828), (1142, 35020), (1751, 22840), (2060, 19414), (2284, 17510), (2855, 14008), (3502, 11420), (4120, 9707), (4568, 8755), (5710, 7004)]