40187780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1223}}^1$

素因数の和:1316

約数の個数: 48

約数和(自身を含む): 88833024

約数和(自身を除く): 48645244

約数列:

[1, 2, 4, 5, 10, 20, 31, 53, 62, 106, 124, 155, 212, 265, 310, 530, 620, 1060, 1223, 1643, 2446, 3286, 4892, 6115, 6572, 8215, 12230, 16430, 24460, 32860, 37913, 64819, 75826, 129638, 151652, 189565, 259276, 324095, 379130, 648190, 758260, 1296380, 2009389, 4018778, 8037556, 10046945, 20093890, 40187780]

約数ペア:

[(1, 40187780), (2, 20093890), (4, 10046945), (5, 8037556), (10, 4018778), (20, 2009389), (31, 1296380), (53, 758260), (62, 648190), (106, 379130), (124, 324095), (155, 259276), (212, 189565), (265, 151652), (310, 129638), (530, 75826), (620, 64819), (1060, 37913), (1223, 32860), (1643, 24460), (2446, 16430), (3286, 12230), (4892, 8215), (6115, 6572)]