40711720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{145399}}^1$

素因数の和:145417

約数の個数: 32

約数和(自身を含む): 104688000

約数和(自身を除く): 63976280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 145399, 290798, 581596, 726995, 1017793, 1163192, 1453990, 2035586, 2907980, 4071172, 5088965, 5815960, 8142344, 10177930, 20355860, 40711720]

約数ペア:

[(1, 40711720), (2, 20355860), (4, 10177930), (5, 8142344), (7, 5815960), (8, 5088965), (10, 4071172), (14, 2907980), (20, 2035586), (28, 1453990), (35, 1163192), (40, 1017793), (56, 726995), (70, 581596), (140, 290798), (280, 145399)]