31201120

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11471}}^1$

素因数の和:11503

約数の個数: 48

約数和(自身を含む): 78055488

約数和(自身を除く): 46854368

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 11471, 22942, 45884, 57355, 91768, 114710, 183536, 195007, 229420, 367072, 390014, 458840, 780028, 917680, 975035, 1560056, 1835360, 1950070, 3120112, 3900140, 6240224, 7800280, 15600560, 31201120]

約数ペア:

[(1, 31201120), (2, 15600560), (4, 7800280), (5, 6240224), (8, 3900140), (10, 3120112), (16, 1950070), (17, 1835360), (20, 1560056), (32, 975035), (34, 917680), (40, 780028), (68, 458840), (80, 390014), (85, 367072), (136, 229420), (160, 195007), (170, 183536), (272, 114710), (340, 91768), (544, 57355), (680, 45884), (1360, 22942), (2720, 11471)]