13248940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 29393280

約数和(自身を除く): 16144340

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 290, 431, 530, 580, 862, 1060, 1537, 1724, 2155, 3074, 4310, 6148, 7685, 8620, 12499, 15370, 22843, 24998, 30740, 45686, 49996, 62495, 91372, 114215, 124990, 228430, 249980, 456860, 662447, 1324894, 2649788, 3312235, 6624470, 13248940]

約数ペア:

[(1, 13248940), (2, 6624470), (4, 3312235), (5, 2649788), (10, 1324894), (20, 662447), (29, 456860), (53, 249980), (58, 228430), (106, 124990), (116, 114215), (145, 91372), (212, 62495), (265, 49996), (290, 45686), (431, 30740), (530, 24998), (580, 22843), (862, 15370), (1060, 12499), (1537, 8620), (1724, 7685), (2155, 6148), (3074, 4310)]