12438960040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{357031}}^1$

素因数の和:357122

約数の個数: 64

約数和(自身を含む): 30590501760

約数和(自身を除く): 18151541720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6968, 8710, 17420, 34840, 357031, 714062, 1428124, 1785155, 2856248, 3570310, 4641403, 7140620, 9282806, 14281240, 18565612, 23207015, 23921077, 37131224, 46414030, 47842154, 92828060, 95684308, 119605385, 185656120, 191368616, 239210770, 310974001, 478421540, 621948002, 956843080, 1243896004, 1554870005, 2487792008, 3109740010, 6219480020, 12438960040]

約数ペア:

[(1, 12438960040), (2, 6219480020), (4, 3109740010), (5, 2487792008), (8, 1554870005), (10, 1243896004), (13, 956843080), (20, 621948002), (26, 478421540), (40, 310974001), (52, 239210770), (65, 191368616), (67, 185656120), (104, 119605385), (130, 95684308), (134, 92828060), (260, 47842154), (268, 46414030), (335, 37131224), (520, 23921077), (536, 23207015), (670, 18565612), (871, 14281240), (1340, 9282806), (1742, 7140620), (2680, 4641403), (3484, 3570310), (4355, 2856248), (6968, 1785155), (8710, 1428124), (17420, 714062), (34840, 357031)]