23782580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{431}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 52254720

約数和(自身を除く): 28472140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 89, 124, 155, 178, 310, 356, 431, 445, 620, 862, 890, 1724, 1780, 2155, 2759, 4310, 5518, 8620, 11036, 13361, 13795, 26722, 27590, 38359, 53444, 55180, 66805, 76718, 133610, 153436, 191795, 267220, 383590, 767180, 1189129, 2378258, 4756516, 5945645, 11891290, 23782580]

約数ペア:

[(1, 23782580), (2, 11891290), (4, 5945645), (5, 4756516), (10, 2378258), (20, 1189129), (31, 767180), (62, 383590), (89, 267220), (124, 191795), (155, 153436), (178, 133610), (310, 76718), (356, 66805), (431, 55180), (445, 53444), (620, 38359), (862, 27590), (890, 26722), (1724, 13795), (1780, 13361), (2155, 11036), (2759, 8620), (4310, 5518)]