51156220

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{30817}}^1$

素因数の和:30909

約数の個数: 24

約数和(自身を含む): 108725904

約数和(自身を除く): 57569684

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 30817, 61634, 123268, 154085, 308170, 616340, 2557811, 5115622, 10231244, 12789055, 25578110, 51156220]

約数ペア:

[(1, 51156220), (2, 25578110), (4, 12789055), (5, 10231244), (10, 5115622), (20, 2557811), (83, 616340), (166, 308170), (332, 154085), (415, 123268), (830, 61634), (1660, 30817)]