13216400

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 35057280

約数和(自身を除く): 21840880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 37, 38, 40, 47, 50, 74, 76, 80, 94, 95, 100, 148, 152, 185, 188, 190, 200, 235, 296, 304, 370, 376, 380, 400, 470, 475, 592, 703, 740, 752, 760, 893, 925, 940, 950, 1175, 1406, 1480, 1520, 1739, 1786, 1850, 1880, 1900, 2350, 2812, 2960, 3478, 3515, 3572, 3700, 3760, 3800, 4465, 4700, 5624, 6956, 7030, 7144, 7400, 7600, 8695, 8930, 9400, 11248, 13912, 14060, 14288, 14800, 17390, 17575, 17860, 18800, 22325, 27824, 28120, 33041, 34780, 35150, 35720, 43475, 44650, 56240, 66082, 69560, 70300, 71440, 86950, 89300, 132164, 139120, 140600, 165205, 173900, 178600, 264328, 281200, 330410, 347800, 357200, 528656, 660820, 695600, 826025, 1321640, 1652050, 2643280, 3304100, 6608200, 13216400]

約数ペア:

[(1, 13216400), (2, 6608200), (4, 3304100), (5, 2643280), (8, 1652050), (10, 1321640), (16, 826025), (19, 695600), (20, 660820), (25, 528656), (37, 357200), (38, 347800), (40, 330410), (47, 281200), (50, 264328), (74, 178600), (76, 173900), (80, 165205), (94, 140600), (95, 139120), (100, 132164), (148, 89300), (152, 86950), (185, 71440), (188, 70300), (190, 69560), (200, 66082), (235, 56240), (296, 44650), (304, 43475), (370, 35720), (376, 35150), (380, 34780), (400, 33041), (470, 28120), (475, 27824), (592, 22325), (703, 18800), (740, 17860), (752, 17575), (760, 17390), (893, 14800), (925, 14288), (940, 14060), (950, 13912), (1175, 11248), (1406, 9400), (1480, 8930), (1520, 8695), (1739, 7600), (1786, 7400), (1850, 7144), (1880, 7030), (1900, 6956), (2350, 5624), (2812, 4700), (2960, 4465), (3478, 3800), (3515, 3760), (3572, 3700)]