71471200

素因数分解:

$2^5\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2179}}^1$

素因数の和:2240

約数の個数: 72

約数和(自身を含む): 178816680

約数和(自身を除く): 107345480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 41, 50, 80, 82, 100, 160, 164, 200, 205, 328, 400, 410, 656, 800, 820, 1025, 1312, 1640, 2050, 2179, 3280, 4100, 4358, 6560, 8200, 8716, 10895, 16400, 17432, 21790, 32800, 34864, 43580, 54475, 69728, 87160, 89339, 108950, 174320, 178678, 217900, 348640, 357356, 435800, 446695, 714712, 871600, 893390, 1429424, 1743200, 1786780, 2233475, 2858848, 3573560, 4466950, 7147120, 8933900, 14294240, 17867800, 35735600, 71471200]

約数ペア:

[(1, 71471200), (2, 35735600), (4, 17867800), (5, 14294240), (8, 8933900), (10, 7147120), (16, 4466950), (20, 3573560), (25, 2858848), (32, 2233475), (40, 1786780), (41, 1743200), (50, 1429424), (80, 893390), (82, 871600), (100, 714712), (160, 446695), (164, 435800), (200, 357356), (205, 348640), (328, 217900), (400, 178678), (410, 174320), (656, 108950), (800, 89339), (820, 87160), (1025, 69728), (1312, 54475), (1640, 43580), (2050, 34864), (2179, 32800), (3280, 21790), (4100, 17432), (4358, 16400), (6560, 10895), (8200, 8716)]