64020280

素因数分解:

$2^3\times 5^1\times {\mathrm{593}}^1\times {\mathrm{2699}}^1$

素因数の和:3303

約数の個数: 32

約数和(自身を含む): 144342000

約数和(自身を除く): 80321720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 593, 1186, 2372, 2699, 2965, 4744, 5398, 5930, 10796, 11860, 13495, 21592, 23720, 26990, 53980, 107960, 1600507, 3201014, 6402028, 8002535, 12804056, 16005070, 32010140, 64020280]

約数ペア:

[(1, 64020280), (2, 32010140), (4, 16005070), (5, 12804056), (8, 8002535), (10, 6402028), (20, 3201014), (40, 1600507), (593, 107960), (1186, 53980), (2372, 26990), (2699, 23720), (2965, 21592), (4744, 13495), (5398, 11860), (5930, 10796)]