40987772

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{577}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 85451520

約数和(自身を除く): 44463748

約数列:

[1, 2, 4, 7, 14, 28, 43, 59, 86, 118, 172, 236, 301, 413, 577, 602, 826, 1154, 1204, 1652, 2308, 2537, 4039, 5074, 8078, 10148, 16156, 17759, 24811, 34043, 35518, 49622, 68086, 71036, 99244, 136172, 173677, 238301, 347354, 476602, 694708, 953204, 1463849, 2927698, 5855396, 10246943, 20493886, 40987772]

約数ペア:

[(1, 40987772), (2, 20493886), (4, 10246943), (7, 5855396), (14, 2927698), (28, 1463849), (43, 953204), (59, 694708), (86, 476602), (118, 347354), (172, 238301), (236, 173677), (301, 136172), (413, 99244), (577, 71036), (602, 68086), (826, 49622), (1154, 35518), (1204, 34043), (1652, 24811), (2308, 17759), (2537, 16156), (4039, 10148), (5074, 8078)]