61967140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{1123}}^1$

素因数の和:1252

約数の個数: 48

約数和(自身を含む): 135959040

約数和(自身を除く): 73991900

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 445, 620, 890, 1123, 1780, 2246, 2759, 4492, 5518, 5615, 11036, 11230, 13795, 22460, 27590, 34813, 55180, 69626, 99947, 139252, 174065, 199894, 348130, 399788, 499735, 696260, 999470, 1998940, 3098357, 6196714, 12393428, 15491785, 30983570, 61967140]

約数ペア:

[(1, 61967140), (2, 30983570), (4, 15491785), (5, 12393428), (10, 6196714), (20, 3098357), (31, 1998940), (62, 999470), (89, 696260), (124, 499735), (155, 399788), (178, 348130), (310, 199894), (356, 174065), (445, 139252), (620, 99947), (890, 69626), (1123, 55180), (1780, 34813), (2246, 27590), (2759, 22460), (4492, 13795), (5518, 11230), (5615, 11036)]