138282040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{617}}^1$

素因数の和:1072

約数の個数: 64

約数和(自身を含む): 336389760

約数和(自身を除く): 198107720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 431, 520, 617, 862, 1234, 1724, 2155, 2468, 3085, 3448, 4310, 4936, 5603, 6170, 8021, 8620, 11206, 12340, 16042, 17240, 22412, 24680, 28015, 32084, 40105, 44824, 56030, 64168, 80210, 112060, 160420, 224120, 265927, 320840, 531854, 1063708, 1329635, 2127416, 2659270, 3457051, 5318540, 6914102, 10637080, 13828204, 17285255, 27656408, 34570510, 69141020, 138282040]

約数ペア:

[(1, 138282040), (2, 69141020), (4, 34570510), (5, 27656408), (8, 17285255), (10, 13828204), (13, 10637080), (20, 6914102), (26, 5318540), (40, 3457051), (52, 2659270), (65, 2127416), (104, 1329635), (130, 1063708), (260, 531854), (431, 320840), (520, 265927), (617, 224120), (862, 160420), (1234, 112060), (1724, 80210), (2155, 64168), (2468, 56030), (3085, 44824), (3448, 40105), (4310, 32084), (4936, 28015), (5603, 24680), (6170, 22412), (8021, 17240), (8620, 16042), (11206, 12340)]