898497680

素因数分解:

$2^4\times 5^1\times {\mathrm{2647}}^1\times {\mathrm{4243}}^1$

素因数の和:6903

約数の個数: 40

約数和(自身を含む): 2090288832

約数和(自身を除く): 1191791152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2647, 4243, 5294, 8486, 10588, 13235, 16972, 21176, 21215, 26470, 33944, 42352, 42430, 52940, 67888, 84860, 105880, 169720, 211760, 339440, 11231221, 22462442, 44924884, 56156105, 89849768, 112312210, 179699536, 224624420, 449248840, 898497680]

約数ペア:

[(1, 898497680), (2, 449248840), (4, 224624420), (5, 179699536), (8, 112312210), (10, 89849768), (16, 56156105), (20, 44924884), (40, 22462442), (80, 11231221), (2647, 339440), (4243, 211760), (5294, 169720), (8486, 105880), (10588, 84860), (13235, 67888), (16972, 52940), (21176, 42430), (21215, 42352), (26470, 33944)]