51407320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4447}}^1$

素因数の和:4492

約数の個数: 48

約数和(自身を含む): 122898240

約数和(自身を除く): 71490920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 4447, 5780, 8894, 11560, 17788, 22235, 35576, 44470, 75599, 88940, 151198, 177880, 302396, 377995, 604792, 755990, 1285183, 1511980, 2570366, 3023960, 5140732, 6425915, 10281464, 12851830, 25703660, 51407320]

約数ペア:

[(1, 51407320), (2, 25703660), (4, 12851830), (5, 10281464), (8, 6425915), (10, 5140732), (17, 3023960), (20, 2570366), (34, 1511980), (40, 1285183), (68, 755990), (85, 604792), (136, 377995), (170, 302396), (289, 177880), (340, 151198), (578, 88940), (680, 75599), (1156, 44470), (1445, 35576), (2312, 22235), (2890, 17788), (4447, 11560), (5780, 8894)]