1307888720

素因数分解:

$2^4\times 5^1\times {\mathrm{16348609}}^1$

素因数の和:16348622

約数の個数: 20

約数和(自身を含む): 3040841460

約数和(自身を除く): 1732952740

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 16348609, 32697218, 65394436, 81743045, 130788872, 163486090, 261577744, 326972180, 653944360, 1307888720]

約数ペア:

[(1, 1307888720), (2, 653944360), (4, 326972180), (5, 261577744), (8, 163486090), (10, 130788872), (16, 81743045), (20, 65394436), (40, 32697218), (80, 16348609)]