88513720

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{12791}}^1$

素因数の和:12975

約数の個数: 32

約数和(自身を含む): 200322720

約数和(自身を除く): 111809000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 3460, 6920, 12791, 25582, 51164, 63955, 102328, 127910, 255820, 511640, 2212843, 4425686, 8851372, 11064215, 17702744, 22128430, 44256860, 88513720]

約数ペア:

[(1, 88513720), (2, 44256860), (4, 22128430), (5, 17702744), (8, 11064215), (10, 8851372), (20, 4425686), (40, 2212843), (173, 511640), (346, 255820), (692, 127910), (865, 102328), (1384, 63955), (1730, 51164), (3460, 25582), (6920, 12791)]