15998800

素因数分解:

$2^4\times 5^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:125

約数の個数: 120

約数和(自身を含む): 42068736

約数和(自身を除く): 26069936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 37, 40, 46, 47, 50, 74, 80, 92, 94, 100, 115, 148, 184, 185, 188, 200, 230, 235, 296, 368, 370, 376, 400, 460, 470, 575, 592, 740, 752, 851, 920, 925, 940, 1081, 1150, 1175, 1480, 1702, 1739, 1840, 1850, 1880, 2162, 2300, 2350, 2960, 3404, 3478, 3700, 3760, 4255, 4324, 4600, 4700, 5405, 6808, 6956, 7400, 8510, 8648, 8695, 9200, 9400, 10810, 13616, 13912, 14800, 17020, 17296, 17390, 18800, 21275, 21620, 27025, 27824, 34040, 34780, 39997, 42550, 43240, 43475, 54050, 68080, 69560, 79994, 85100, 86480, 86950, 108100, 139120, 159988, 170200, 173900, 199985, 216200, 319976, 340400, 347800, 399970, 432400, 639952, 695600, 799940, 999925, 1599880, 1999850, 3199760, 3999700, 7999400, 15998800]

約数ペア:

[(1, 15998800), (2, 7999400), (4, 3999700), (5, 3199760), (8, 1999850), (10, 1599880), (16, 999925), (20, 799940), (23, 695600), (25, 639952), (37, 432400), (40, 399970), (46, 347800), (47, 340400), (50, 319976), (74, 216200), (80, 199985), (92, 173900), (94, 170200), (100, 159988), (115, 139120), (148, 108100), (184, 86950), (185, 86480), (188, 85100), (200, 79994), (230, 69560), (235, 68080), (296, 54050), (368, 43475), (370, 43240), (376, 42550), (400, 39997), (460, 34780), (470, 34040), (575, 27824), (592, 27025), (740, 21620), (752, 21275), (851, 18800), (920, 17390), (925, 17296), (940, 17020), (1081, 14800), (1150, 13912), (1175, 13616), (1480, 10810), (1702, 9400), (1739, 9200), (1840, 8695), (1850, 8648), (1880, 8510), (2162, 7400), (2300, 6956), (2350, 6808), (2960, 5405), (3404, 4700), (3478, 4600), (3700, 4324), (3760, 4255)]