28142025680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{11347591}}^1$

素因数の和:11347635

約数の個数: 40

約数和(自身を含む): 67540867584

約数和(自身を除く): 39398841904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 11347591, 22695182, 45390364, 56737955, 90780728, 113475910, 181561456, 226951820, 351775321, 453903640, 703550642, 907807280, 1407101284, 1758876605, 2814202568, 3517753210, 5628405136, 7035506420, 14071012840, 28142025680]

約数ペア:

[(1, 28142025680), (2, 14071012840), (4, 7035506420), (5, 5628405136), (8, 3517753210), (10, 2814202568), (16, 1758876605), (20, 1407101284), (31, 907807280), (40, 703550642), (62, 453903640), (80, 351775321), (124, 226951820), (155, 181561456), (248, 113475910), (310, 90780728), (496, 56737955), (620, 45390364), (1240, 22695182), (2480, 11347591)]