79751380

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{449}}^1$

素因数の和:648

約数の個数: 48

約数和(自身を含む): 171460800

約数和(自身を除く): 91709420

約数列:

[1, 2, 4, 5, 10, 20, 83, 107, 166, 214, 332, 415, 428, 449, 535, 830, 898, 1070, 1660, 1796, 2140, 2245, 4490, 8881, 8980, 17762, 35524, 37267, 44405, 48043, 74534, 88810, 96086, 149068, 177620, 186335, 192172, 240215, 372670, 480430, 745340, 960860, 3987569, 7975138, 15950276, 19937845, 39875690, 79751380]

約数ペア:

[(1, 79751380), (2, 39875690), (4, 19937845), (5, 15950276), (10, 7975138), (20, 3987569), (83, 960860), (107, 745340), (166, 480430), (214, 372670), (332, 240215), (415, 192172), (428, 186335), (449, 177620), (535, 149068), (830, 96086), (898, 88810), (1070, 74534), (1660, 48043), (1796, 44405), (2140, 37267), (2245, 35524), (4490, 17762), (8881, 8980)]