42287720

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{509}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 99878400

約数和(自身を除く): 57590680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 248, 268, 310, 335, 509, 536, 620, 670, 1018, 1240, 1340, 2036, 2077, 2545, 2680, 4072, 4154, 5090, 8308, 10180, 10385, 15779, 16616, 20360, 20770, 31558, 34103, 41540, 63116, 68206, 78895, 83080, 126232, 136412, 157790, 170515, 272824, 315580, 341030, 631160, 682060, 1057193, 1364120, 2114386, 4228772, 5285965, 8457544, 10571930, 21143860, 42287720]

約数ペア:

[(1, 42287720), (2, 21143860), (4, 10571930), (5, 8457544), (8, 5285965), (10, 4228772), (20, 2114386), (31, 1364120), (40, 1057193), (62, 682060), (67, 631160), (124, 341030), (134, 315580), (155, 272824), (248, 170515), (268, 157790), (310, 136412), (335, 126232), (509, 83080), (536, 78895), (620, 68206), (670, 63116), (1018, 41540), (1240, 34103), (1340, 31558), (2036, 20770), (2077, 20360), (2545, 16616), (2680, 15779), (4072, 10385), (4154, 10180), (5090, 8308)]