72664120

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{106859}}^1$

素因数の和:106887

約数の個数: 32

約数和(自身を含む): 173113200

約数和(自身を除く): 100449080

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 106859, 213718, 427436, 534295, 854872, 1068590, 1816603, 2137180, 3633206, 4274360, 7266412, 9083015, 14532824, 18166030, 36332060, 72664120]

約数ペア:

[(1, 72664120), (2, 36332060), (4, 18166030), (5, 14532824), (8, 9083015), (10, 7266412), (17, 4274360), (20, 3633206), (34, 2137180), (40, 1816603), (68, 1068590), (85, 854872), (136, 534295), (170, 427436), (340, 213718), (680, 106859)]