78851200

素因数分解:

$2^7\times 5^2\times {\mathrm{41}}^1\times {\mathrm{601}}^1$

素因数の和:666

約数の個数: 96

約数和(自身を含む): 199870020

約数和(自身を除く): 121018820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 64, 80, 82, 100, 128, 160, 164, 200, 205, 320, 328, 400, 410, 601, 640, 656, 800, 820, 1025, 1202, 1312, 1600, 1640, 2050, 2404, 2624, 3005, 3200, 3280, 4100, 4808, 5248, 6010, 6560, 8200, 9616, 12020, 13120, 15025, 16400, 19232, 24040, 24641, 26240, 30050, 32800, 38464, 48080, 49282, 60100, 65600, 76928, 96160, 98564, 120200, 123205, 131200, 192320, 197128, 240400, 246410, 384640, 394256, 480800, 492820, 616025, 788512, 961600, 985640, 1232050, 1577024, 1923200, 1971280, 2464100, 3154048, 3942560, 4928200, 7885120, 9856400, 15770240, 19712800, 39425600, 78851200]

約数ペア:

[(1, 78851200), (2, 39425600), (4, 19712800), (5, 15770240), (8, 9856400), (10, 7885120), (16, 4928200), (20, 3942560), (25, 3154048), (32, 2464100), (40, 1971280), (41, 1923200), (50, 1577024), (64, 1232050), (80, 985640), (82, 961600), (100, 788512), (128, 616025), (160, 492820), (164, 480800), (200, 394256), (205, 384640), (320, 246410), (328, 240400), (400, 197128), (410, 192320), (601, 131200), (640, 123205), (656, 120200), (800, 98564), (820, 96160), (1025, 76928), (1202, 65600), (1312, 60100), (1600, 49282), (1640, 48080), (2050, 38464), (2404, 32800), (2624, 30050), (3005, 26240), (3200, 24641), (3280, 24040), (4100, 19232), (4808, 16400), (5248, 15025), (6010, 13120), (6560, 12020), (8200, 9616)]