12342820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:820

約数の個数: 48

約数和(自身を含む): 29893248

約数和(自身を除く): 17550428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 131, 140, 262, 524, 655, 673, 917, 1310, 1346, 1834, 2620, 2692, 3365, 3668, 4585, 4711, 6730, 9170, 9422, 13460, 18340, 18844, 23555, 47110, 88163, 94220, 176326, 352652, 440815, 617141, 881630, 1234282, 1763260, 2468564, 3085705, 6171410, 12342820]

約数ペア:

[(1, 12342820), (2, 6171410), (4, 3085705), (5, 2468564), (7, 1763260), (10, 1234282), (14, 881630), (20, 617141), (28, 440815), (35, 352652), (70, 176326), (131, 94220), (140, 88163), (262, 47110), (524, 23555), (655, 18844), (673, 18340), (917, 13460), (1310, 9422), (1346, 9170), (1834, 6730), (2620, 4711), (2692, 4585), (3365, 3668)]