31510960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:806

約数の個数: 80

約数和(自身を含む): 80932320

約数和(自身を除く): 49421360

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 739, 820, 1040, 1066, 1478, 1640, 2132, 2665, 2956, 3280, 3695, 4264, 5330, 5912, 7390, 8528, 9607, 10660, 11824, 14780, 19214, 21320, 29560, 30299, 38428, 42640, 48035, 59120, 60598, 76856, 96070, 121196, 151495, 153712, 192140, 242392, 302990, 384280, 393887, 484784, 605980, 768560, 787774, 1211960, 1575548, 1969435, 2423920, 3151096, 3938870, 6302192, 7877740, 15755480, 31510960]

約数ペア:

[(1, 31510960), (2, 15755480), (4, 7877740), (5, 6302192), (8, 3938870), (10, 3151096), (13, 2423920), (16, 1969435), (20, 1575548), (26, 1211960), (40, 787774), (41, 768560), (52, 605980), (65, 484784), (80, 393887), (82, 384280), (104, 302990), (130, 242392), (164, 192140), (205, 153712), (208, 151495), (260, 121196), (328, 96070), (410, 76856), (520, 60598), (533, 59120), (656, 48035), (739, 42640), (820, 38428), (1040, 30299), (1066, 29560), (1478, 21320), (1640, 19214), (2132, 14780), (2665, 11824), (2956, 10660), (3280, 9607), (3695, 8528), (4264, 7390), (5330, 5912)]