1640208530

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{271}}^1\times {\mathrm{8291}}^1$

素因数の和:8642

約数の個数: 32

約数和(自身を含む): 3004224768

約数和(自身を除く): 1364016238

約数列:

[1, 2, 5, 10, 73, 146, 271, 365, 542, 730, 1355, 2710, 8291, 16582, 19783, 39566, 41455, 82910, 98915, 197830, 605243, 1210486, 2246861, 3026215, 4493722, 6052430, 11234305, 22468610, 164020853, 328041706, 820104265, 1640208530]

約数ペア:

[(1, 1640208530), (2, 820104265), (5, 328041706), (10, 164020853), (73, 22468610), (146, 11234305), (271, 6052430), (365, 4493722), (542, 3026215), (730, 2246861), (1355, 1210486), (2710, 605243), (8291, 197830), (16582, 98915), (19783, 82910), (39566, 41455)]