30818120

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{2843}}^1$

素因数の和:3125

約数の個数: 32

約数和(自身を含む): 69621120

約数和(自身を除く): 38803000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 2168, 2710, 2843, 5420, 5686, 10840, 11372, 14215, 22744, 28430, 56860, 113720, 770453, 1540906, 3081812, 3852265, 6163624, 7704530, 15409060, 30818120]

約数ペア:

[(1, 30818120), (2, 15409060), (4, 7704530), (5, 6163624), (8, 3852265), (10, 3081812), (20, 1540906), (40, 770453), (271, 113720), (542, 56860), (1084, 28430), (1355, 22744), (2168, 14215), (2710, 11372), (2843, 10840), (5420, 5686)]