19974080

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{241}}^1$

素因数の和:302

約数の個数: 112

約数和(自身を含む): 56058816

約数和(自身を除く): 36084736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 56, 64, 70, 74, 80, 112, 140, 148, 160, 185, 224, 241, 259, 280, 296, 320, 370, 448, 482, 518, 560, 592, 740, 964, 1036, 1120, 1184, 1205, 1295, 1480, 1687, 1928, 2072, 2240, 2368, 2410, 2590, 2960, 3374, 3856, 4144, 4820, 5180, 5920, 6748, 7712, 8288, 8435, 8917, 9640, 10360, 11840, 13496, 15424, 16576, 16870, 17834, 19280, 20720, 26992, 33740, 35668, 38560, 41440, 44585, 53984, 62419, 67480, 71336, 77120, 82880, 89170, 107968, 124838, 134960, 142672, 178340, 249676, 269920, 285344, 312095, 356680, 499352, 539840, 570688, 624190, 713360, 998704, 1248380, 1426720, 1997408, 2496760, 2853440, 3994816, 4993520, 9987040, 19974080]

約数ペア:

[(1, 19974080), (2, 9987040), (4, 4993520), (5, 3994816), (7, 2853440), (8, 2496760), (10, 1997408), (14, 1426720), (16, 1248380), (20, 998704), (28, 713360), (32, 624190), (35, 570688), (37, 539840), (40, 499352), (56, 356680), (64, 312095), (70, 285344), (74, 269920), (80, 249676), (112, 178340), (140, 142672), (148, 134960), (160, 124838), (185, 107968), (224, 89170), (241, 82880), (259, 77120), (280, 71336), (296, 67480), (320, 62419), (370, 53984), (448, 44585), (482, 41440), (518, 38560), (560, 35668), (592, 33740), (740, 26992), (964, 20720), (1036, 19280), (1120, 17834), (1184, 16870), (1205, 16576), (1295, 15424), (1480, 13496), (1687, 11840), (1928, 10360), (2072, 9640), (2240, 8917), (2368, 8435), (2410, 8288), (2590, 7712), (2960, 6748), (3374, 5920), (3856, 5180), (4144, 4820)]