23120440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1163}}^1$

素因数の和:1252

約数の個数: 64

約数和(自身を含む): 60341760

約数和(自身を除く): 37221320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1163, 1420, 1988, 2326, 2485, 2840, 3976, 4652, 4970, 5815, 8141, 9304, 9940, 11630, 16282, 19880, 23260, 32564, 40705, 46520, 65128, 81410, 82573, 162820, 165146, 325640, 330292, 412865, 578011, 660584, 825730, 1156022, 1651460, 2312044, 2890055, 3302920, 4624088, 5780110, 11560220, 23120440]

約数ペア:

[(1, 23120440), (2, 11560220), (4, 5780110), (5, 4624088), (7, 3302920), (8, 2890055), (10, 2312044), (14, 1651460), (20, 1156022), (28, 825730), (35, 660584), (40, 578011), (56, 412865), (70, 330292), (71, 325640), (140, 165146), (142, 162820), (280, 82573), (284, 81410), (355, 65128), (497, 46520), (568, 40705), (710, 32564), (994, 23260), (1163, 19880), (1420, 16282), (1988, 11630), (2326, 9940), (2485, 9304), (2840, 8141), (3976, 5815), (4652, 4970)]