25803440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{577}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 66224928

約数和(自身を除く): 40421488

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 43, 52, 65, 80, 86, 104, 130, 172, 208, 215, 260, 344, 430, 520, 559, 577, 688, 860, 1040, 1118, 1154, 1720, 2236, 2308, 2795, 2885, 3440, 4472, 4616, 5590, 5770, 7501, 8944, 9232, 11180, 11540, 15002, 22360, 23080, 24811, 30004, 37505, 44720, 46160, 49622, 60008, 75010, 99244, 120016, 124055, 150020, 198488, 248110, 300040, 322543, 396976, 496220, 600080, 645086, 992440, 1290172, 1612715, 1984880, 2580344, 3225430, 5160688, 6450860, 12901720, 25803440]

約数ペア:

[(1, 25803440), (2, 12901720), (4, 6450860), (5, 5160688), (8, 3225430), (10, 2580344), (13, 1984880), (16, 1612715), (20, 1290172), (26, 992440), (40, 645086), (43, 600080), (52, 496220), (65, 396976), (80, 322543), (86, 300040), (104, 248110), (130, 198488), (172, 150020), (208, 124055), (215, 120016), (260, 99244), (344, 75010), (430, 60008), (520, 49622), (559, 46160), (577, 44720), (688, 37505), (860, 30004), (1040, 24811), (1118, 23080), (1154, 22360), (1720, 15002), (2236, 11540), (2308, 11180), (2795, 9232), (2885, 8944), (3440, 7501), (4472, 5770), (4616, 5590)]