40005560

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{20411}}^1$

素因数の和:20436

約数の個数: 48

約数和(自身を含む): 104713560

約数和(自身を除く): 64708000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 20411, 40822, 81644, 102055, 142877, 163288, 204110, 285754, 408220, 571508, 714385, 816440, 1000139, 1143016, 1428770, 2000278, 2857540, 4000556, 5000695, 5715080, 8001112, 10001390, 20002780, 40005560]

約数ペア:

[(1, 40005560), (2, 20002780), (4, 10001390), (5, 8001112), (7, 5715080), (8, 5000695), (10, 4000556), (14, 2857540), (20, 2000278), (28, 1428770), (35, 1143016), (40, 1000139), (49, 816440), (56, 714385), (70, 571508), (98, 408220), (140, 285754), (196, 204110), (245, 163288), (280, 142877), (392, 102055), (490, 81644), (980, 40822), (1960, 20411)]