2143521040

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{864323}}^1$

素因数の和:864367

約数の個数: 40

約数和(自身を含む): 5144456448

約数和(自身を除く): 3000935408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 864323, 1728646, 3457292, 4321615, 6914584, 8643230, 13829168, 17286460, 26794013, 34572920, 53588026, 69145840, 107176052, 133970065, 214352104, 267940130, 428704208, 535880260, 1071760520, 2143521040]

約数ペア:

[(1, 2143521040), (2, 1071760520), (4, 535880260), (5, 428704208), (8, 267940130), (10, 214352104), (16, 133970065), (20, 107176052), (31, 69145840), (40, 53588026), (62, 34572920), (80, 26794013), (124, 17286460), (155, 13829168), (248, 8643230), (310, 6914584), (496, 4321615), (620, 3457292), (1240, 1728646), (2480, 864323)]