71490880

素因数分解:

$2^6\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5449}}^1$

素因数の和:5507

約数の個数: 56

約数和(自身を含む): 174421800

約数和(自身を除く): 102930920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 160, 164, 205, 320, 328, 410, 656, 820, 1312, 1640, 2624, 3280, 5449, 6560, 10898, 13120, 21796, 27245, 43592, 54490, 87184, 108980, 174368, 217960, 223409, 348736, 435920, 446818, 871840, 893636, 1117045, 1743680, 1787272, 2234090, 3574544, 4468180, 7149088, 8936360, 14298176, 17872720, 35745440, 71490880]

約数ペア:

[(1, 71490880), (2, 35745440), (4, 17872720), (5, 14298176), (8, 8936360), (10, 7149088), (16, 4468180), (20, 3574544), (32, 2234090), (40, 1787272), (41, 1743680), (64, 1117045), (80, 893636), (82, 871840), (160, 446818), (164, 435920), (205, 348736), (320, 223409), (328, 217960), (410, 174368), (656, 108980), (820, 87184), (1312, 54490), (1640, 43592), (2624, 27245), (3280, 21796), (5449, 13120), (6560, 10898)]