164457760

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{11549}}^1$

素因数の和:11653

約数の個数: 48

約数和(自身を含む): 392931000

約数和(自身を除く): 228473240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 7120, 11549, 14240, 23098, 46196, 57745, 92392, 115490, 184784, 230980, 369568, 461960, 923920, 1027861, 1847840, 2055722, 4111444, 5139305, 8222888, 10278610, 16445776, 20557220, 32891552, 41114440, 82228880, 164457760]

約数ペア:

[(1, 164457760), (2, 82228880), (4, 41114440), (5, 32891552), (8, 20557220), (10, 16445776), (16, 10278610), (20, 8222888), (32, 5139305), (40, 4111444), (80, 2055722), (89, 1847840), (160, 1027861), (178, 923920), (356, 461960), (445, 369568), (712, 230980), (890, 184784), (1424, 115490), (1780, 92392), (2848, 57745), (3560, 46196), (7120, 23098), (11549, 14240)]