39689600

素因数分解:

$2^7\times 5^2\times {\mathrm{79}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 99919200

約数和(自身を除く): 60229600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 79, 80, 100, 128, 157, 158, 160, 200, 314, 316, 320, 395, 400, 628, 632, 640, 785, 790, 800, 1256, 1264, 1570, 1580, 1600, 1975, 2512, 2528, 3140, 3160, 3200, 3925, 3950, 5024, 5056, 6280, 6320, 7850, 7900, 10048, 10112, 12403, 12560, 12640, 15700, 15800, 20096, 24806, 25120, 25280, 31400, 31600, 49612, 50240, 50560, 62015, 62800, 63200, 99224, 100480, 124030, 125600, 126400, 198448, 248060, 251200, 252800, 310075, 396896, 496120, 502400, 620150, 793792, 992240, 1240300, 1587584, 1984480, 2480600, 3968960, 4961200, 7937920, 9922400, 19844800, 39689600]

約数ペア:

[(1, 39689600), (2, 19844800), (4, 9922400), (5, 7937920), (8, 4961200), (10, 3968960), (16, 2480600), (20, 1984480), (25, 1587584), (32, 1240300), (40, 992240), (50, 793792), (64, 620150), (79, 502400), (80, 496120), (100, 396896), (128, 310075), (157, 252800), (158, 251200), (160, 248060), (200, 198448), (314, 126400), (316, 125600), (320, 124030), (395, 100480), (400, 99224), (628, 63200), (632, 62800), (640, 62015), (785, 50560), (790, 50240), (800, 49612), (1256, 31600), (1264, 31400), (1570, 25280), (1580, 25120), (1600, 24806), (1975, 20096), (2512, 15800), (2528, 15700), (3140, 12640), (3160, 12560), (3200, 12403), (3925, 10112), (3950, 10048), (5024, 7900), (5056, 7850), (6280, 6320)]