869897440

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{68821}}^1$

素因数の和:68915

約数の個数: 48

約数和(自身を含む): 2081177280

約数和(自身を除く): 1211279840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12640, 68821, 137642, 275284, 344105, 550568, 688210, 1101136, 1376420, 2202272, 2752840, 5436859, 5505680, 10873718, 11011360, 21747436, 27184295, 43494872, 54368590, 86989744, 108737180, 173979488, 217474360, 434948720, 869897440]

約数ペア:

[(1, 869897440), (2, 434948720), (4, 217474360), (5, 173979488), (8, 108737180), (10, 86989744), (16, 54368590), (20, 43494872), (32, 27184295), (40, 21747436), (79, 11011360), (80, 10873718), (158, 5505680), (160, 5436859), (316, 2752840), (395, 2202272), (632, 1376420), (790, 1101136), (1264, 688210), (1580, 550568), (2528, 344105), (3160, 275284), (6320, 137642), (12640, 68821)]