66807800

素因数分解:

$2^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{17581}}^1$

素因数の和:17616

約数の個数: 48

約数和(自身を含む): 163512600

約数和(自身を除く): 96704800

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 152, 190, 200, 380, 475, 760, 950, 1900, 3800, 17581, 35162, 70324, 87905, 140648, 175810, 334039, 351620, 439525, 668078, 703240, 879050, 1336156, 1670195, 1758100, 2672312, 3340390, 3516200, 6680780, 8350975, 13361560, 16701950, 33403900, 66807800]

約数ペア:

[(1, 66807800), (2, 33403900), (4, 16701950), (5, 13361560), (8, 8350975), (10, 6680780), (19, 3516200), (20, 3340390), (25, 2672312), (38, 1758100), (40, 1670195), (50, 1336156), (76, 879050), (95, 703240), (100, 668078), (152, 439525), (190, 351620), (200, 334039), (380, 175810), (475, 140648), (760, 87905), (950, 70324), (1900, 35162), (3800, 17581)]