51868480

素因数分解:

$2^6\times 5^1\times {\mathrm{19}}^2\times {\mathrm{449}}^1$

素因数の和:504

約数の個数: 84

約数和(自身を含む): 130644900

約数和(自身を除く): 78776420

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 152, 160, 190, 304, 320, 361, 380, 449, 608, 722, 760, 898, 1216, 1444, 1520, 1796, 1805, 2245, 2888, 3040, 3592, 3610, 4490, 5776, 6080, 7184, 7220, 8531, 8980, 11552, 14368, 14440, 17062, 17960, 23104, 28736, 28880, 34124, 35920, 42655, 57760, 68248, 71840, 85310, 115520, 136496, 143680, 162089, 170620, 272992, 324178, 341240, 545984, 648356, 682480, 810445, 1296712, 1364960, 1620890, 2593424, 2729920, 3241780, 5186848, 6483560, 10373696, 12967120, 25934240, 51868480]

約数ペア:

[(1, 51868480), (2, 25934240), (4, 12967120), (5, 10373696), (8, 6483560), (10, 5186848), (16, 3241780), (19, 2729920), (20, 2593424), (32, 1620890), (38, 1364960), (40, 1296712), (64, 810445), (76, 682480), (80, 648356), (95, 545984), (152, 341240), (160, 324178), (190, 272992), (304, 170620), (320, 162089), (361, 143680), (380, 136496), (449, 115520), (608, 85310), (722, 71840), (760, 68248), (898, 57760), (1216, 42655), (1444, 35920), (1520, 34124), (1796, 28880), (1805, 28736), (2245, 23104), (2888, 17960), (3040, 17062), (3592, 14440), (3610, 14368), (4490, 11552), (5776, 8980), (6080, 8531), (7184, 7220)]