2018037085520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{615255209}}^1$

素因数の和:615255263

約数の個数: 40

約数和(自身を含む): 4806373700520

約数和(自身を除く): 2788336615000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 615255209, 1230510418, 2461020836, 3076276045, 4922041672, 6152552090, 9844083344, 12305104180, 24610208360, 25225463569, 49220416720, 50450927138, 100901854276, 126127317845, 201803708552, 252254635690, 403607417104, 504509271380, 1009018542760, 2018037085520]

約数ペア:

[(1, 2018037085520), (2, 1009018542760), (4, 504509271380), (5, 403607417104), (8, 252254635690), (10, 201803708552), (16, 126127317845), (20, 100901854276), (40, 50450927138), (41, 49220416720), (80, 25225463569), (82, 24610208360), (164, 12305104180), (205, 9844083344), (328, 6152552090), (410, 4922041672), (656, 3076276045), (820, 2461020836), (1640, 1230510418), (3280, 615255209)]