137161720

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{12203}}^1$

素因数の和:12495

約数の個数: 32

約数和(自身を含む): 309737520

約数和(自身を除く): 172575800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 12203, 24406, 48812, 61015, 97624, 122030, 244060, 488120, 3429043, 6858086, 13716172, 17145215, 27432344, 34290430, 68580860, 137161720]

約数ペア:

[(1, 137161720), (2, 68580860), (4, 34290430), (5, 27432344), (8, 17145215), (10, 13716172), (20, 6858086), (40, 3429043), (281, 488120), (562, 244060), (1124, 122030), (1405, 97624), (2248, 61015), (2810, 48812), (5620, 24406), (11240, 12203)]