40872800

素因数分解:

$2^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2689}}^1$

素因数の和:2728

約数の個数: 72

約数和(自身を含む): 105071400

約数和(自身を除く): 64198600

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 152, 160, 190, 200, 304, 380, 400, 475, 608, 760, 800, 950, 1520, 1900, 2689, 3040, 3800, 5378, 7600, 10756, 13445, 15200, 21512, 26890, 43024, 51091, 53780, 67225, 86048, 102182, 107560, 134450, 204364, 215120, 255455, 268900, 408728, 430240, 510910, 537800, 817456, 1021820, 1075600, 1277275, 1634912, 2043640, 2151200, 2554550, 4087280, 5109100, 8174560, 10218200, 20436400, 40872800]

約数ペア:

[(1, 40872800), (2, 20436400), (4, 10218200), (5, 8174560), (8, 5109100), (10, 4087280), (16, 2554550), (19, 2151200), (20, 2043640), (25, 1634912), (32, 1277275), (38, 1075600), (40, 1021820), (50, 817456), (76, 537800), (80, 510910), (95, 430240), (100, 408728), (152, 268900), (160, 255455), (190, 215120), (200, 204364), (304, 134450), (380, 107560), (400, 102182), (475, 86048), (608, 67225), (760, 53780), (800, 51091), (950, 43024), (1520, 26890), (1900, 21512), (2689, 15200), (3040, 13445), (3800, 10756), (5378, 7600)]