40505640

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{48221}}^1$

素因数の和:48242

約数の個数: 64

約数和(自身を含む): 138879360

約数和(自身を除く): 98373720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 48221, 96442, 144663, 192884, 241105, 289326, 337547, 385768, 482210, 578652, 675094, 723315, 964420, 1012641, 1157304, 1350188, 1446630, 1687735, 1928840, 2025282, 2700376, 2893260, 3375470, 4050564, 5063205, 5786520, 6750940, 8101128, 10126410, 13501880, 20252820, 40505640]

約数ペア:

[(1, 40505640), (2, 20252820), (3, 13501880), (4, 10126410), (5, 8101128), (6, 6750940), (7, 5786520), (8, 5063205), (10, 4050564), (12, 3375470), (14, 2893260), (15, 2700376), (20, 2025282), (21, 1928840), (24, 1687735), (28, 1446630), (30, 1350188), (35, 1157304), (40, 1012641), (42, 964420), (56, 723315), (60, 675094), (70, 578652), (84, 482210), (105, 385768), (120, 337547), (140, 289326), (168, 241105), (210, 192884), (280, 144663), (420, 96442), (840, 48221)]