40563320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{317}}^1\times {\mathrm{457}}^1$

素因数の和:792

約数の個数: 64

約数和(自身を含む): 104863680

約数和(自身を除く): 64300360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 317, 457, 634, 914, 1268, 1585, 1828, 2219, 2285, 2536, 3170, 3199, 3656, 4438, 4570, 6340, 6398, 8876, 9140, 11095, 12680, 12796, 15995, 17752, 18280, 22190, 25592, 31990, 44380, 63980, 88760, 127960, 144869, 289738, 579476, 724345, 1014083, 1158952, 1448690, 2028166, 2897380, 4056332, 5070415, 5794760, 8112664, 10140830, 20281660, 40563320]

約数ペア:

[(1, 40563320), (2, 20281660), (4, 10140830), (5, 8112664), (7, 5794760), (8, 5070415), (10, 4056332), (14, 2897380), (20, 2028166), (28, 1448690), (35, 1158952), (40, 1014083), (56, 724345), (70, 579476), (140, 289738), (280, 144869), (317, 127960), (457, 88760), (634, 63980), (914, 44380), (1268, 31990), (1585, 25592), (1828, 22190), (2219, 18280), (2285, 17752), (2536, 15995), (3170, 12796), (3199, 12680), (3656, 11095), (4438, 9140), (4570, 8876), (6340, 6398)]