1312241620

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{271}}^1\times {\mathrm{2917}}^1$

素因数の和:3280

約数の個数: 48

約数和(自身を含む): 2800159488

約数和(自身を除く): 1487917868

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 271, 332, 415, 542, 830, 1084, 1355, 1660, 2710, 2917, 5420, 5834, 11668, 14585, 22493, 29170, 44986, 58340, 89972, 112465, 224930, 242111, 449860, 484222, 790507, 968444, 1210555, 1581014, 2421110, 3162028, 3952535, 4842220, 7905070, 15810140, 65612081, 131224162, 262448324, 328060405, 656120810, 1312241620]

約数ペア:

[(1, 1312241620), (2, 656120810), (4, 328060405), (5, 262448324), (10, 131224162), (20, 65612081), (83, 15810140), (166, 7905070), (271, 4842220), (332, 3952535), (415, 3162028), (542, 2421110), (830, 1581014), (1084, 1210555), (1355, 968444), (1660, 790507), (2710, 484222), (2917, 449860), (5420, 242111), (5834, 224930), (11668, 112465), (14585, 89972), (22493, 58340), (29170, 44986)]