22981360

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{2789}}^1$

素因数の和:2905

約数の個数: 40

約数和(自身を含む): 53969760

約数和(自身を除く): 30988400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1648, 2060, 2789, 4120, 5578, 8240, 11156, 13945, 22312, 27890, 44624, 55780, 111560, 223120, 287267, 574534, 1149068, 1436335, 2298136, 2872670, 4596272, 5745340, 11490680, 22981360]

約数ペア:

[(1, 22981360), (2, 11490680), (4, 5745340), (5, 4596272), (8, 2872670), (10, 2298136), (16, 1436335), (20, 1149068), (40, 574534), (80, 287267), (103, 223120), (206, 111560), (412, 55780), (515, 44624), (824, 27890), (1030, 22312), (1648, 13945), (2060, 11156), (2789, 8240), (4120, 5578)]