40383560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{619}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 104457600

約数和(自身を除く): 64074040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 466, 619, 932, 1165, 1238, 1631, 1864, 2330, 2476, 3095, 3262, 4333, 4660, 4952, 6190, 6524, 8155, 8666, 9320, 12380, 13048, 16310, 17332, 21665, 24760, 32620, 34664, 43330, 65240, 86660, 144227, 173320, 288454, 576908, 721135, 1009589, 1153816, 1442270, 2019178, 2884540, 4038356, 5047945, 5769080, 8076712, 10095890, 20191780, 40383560]

約数ペア:

[(1, 40383560), (2, 20191780), (4, 10095890), (5, 8076712), (7, 5769080), (8, 5047945), (10, 4038356), (14, 2884540), (20, 2019178), (28, 1442270), (35, 1153816), (40, 1009589), (56, 721135), (70, 576908), (140, 288454), (233, 173320), (280, 144227), (466, 86660), (619, 65240), (932, 43330), (1165, 34664), (1238, 32620), (1631, 24760), (1864, 21665), (2330, 17332), (2476, 16310), (3095, 13048), (3262, 12380), (4333, 9320), (4660, 8666), (4952, 8155), (6190, 6524)]