102780760

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{28871}}^1$

素因数の和:28971

約数の個数: 32

約数和(自身を含む): 233863200

約数和(自身を除く): 131082440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 28871, 57742, 115484, 144355, 230968, 288710, 577420, 1154840, 2569519, 5139038, 10278076, 12847595, 20556152, 25695190, 51390380, 102780760]

約数ペア:

[(1, 102780760), (2, 51390380), (4, 25695190), (5, 20556152), (8, 12847595), (10, 10278076), (20, 5139038), (40, 2569519), (89, 1154840), (178, 577420), (356, 288710), (445, 230968), (712, 144355), (890, 115484), (1780, 57742), (3560, 28871)]