16551520

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:164

約数の個数: 96

約数和(自身を含む): 41803776

約数和(自身を除く): 25252256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 47, 62, 71, 80, 94, 124, 142, 155, 160, 188, 235, 248, 284, 310, 355, 376, 470, 496, 568, 620, 710, 752, 940, 992, 1136, 1240, 1420, 1457, 1504, 1880, 2201, 2272, 2480, 2840, 2914, 3337, 3760, 4402, 4960, 5680, 5828, 6674, 7285, 7520, 8804, 11005, 11360, 11656, 13348, 14570, 16685, 17608, 22010, 23312, 26696, 29140, 33370, 35216, 44020, 46624, 53392, 58280, 66740, 70432, 88040, 103447, 106784, 116560, 133480, 176080, 206894, 233120, 266960, 352160, 413788, 517235, 533920, 827576, 1034470, 1655152, 2068940, 3310304, 4137880, 8275760, 16551520]

約数ペア:

[(1, 16551520), (2, 8275760), (4, 4137880), (5, 3310304), (8, 2068940), (10, 1655152), (16, 1034470), (20, 827576), (31, 533920), (32, 517235), (40, 413788), (47, 352160), (62, 266960), (71, 233120), (80, 206894), (94, 176080), (124, 133480), (142, 116560), (155, 106784), (160, 103447), (188, 88040), (235, 70432), (248, 66740), (284, 58280), (310, 53392), (355, 46624), (376, 44020), (470, 35216), (496, 33370), (568, 29140), (620, 26696), (710, 23312), (752, 22010), (940, 17608), (992, 16685), (1136, 14570), (1240, 13348), (1420, 11656), (1457, 11360), (1504, 11005), (1880, 8804), (2201, 7520), (2272, 7285), (2480, 6674), (2840, 5828), (2914, 5680), (3337, 4960), (3760, 4402)]