72047320

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{21701}}^1$

素因数の和:21795

約数の個数: 32

約数和(自身を含む): 164067120

約数和(自身を除く): 92019800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 21701, 43402, 86804, 108505, 173608, 217010, 434020, 868040, 1801183, 3602366, 7204732, 9005915, 14409464, 18011830, 36023660, 72047320]

約数ペア:

[(1, 72047320), (2, 36023660), (4, 18011830), (5, 14409464), (8, 9005915), (10, 7204732), (20, 3602366), (40, 1801183), (83, 868040), (166, 434020), (332, 217010), (415, 173608), (664, 108505), (830, 86804), (1660, 43402), (3320, 21701)]