64539400

素因数分解:

$2^3\times 5^2\times {\mathrm{467}}^1\times {\mathrm{691}}^1$

素因数の和:1174

約数の個数: 48

約数和(自身を含む): 150593040

約数和(自身を除く): 86053640

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 467, 691, 934, 1382, 1868, 2335, 2764, 3455, 3736, 4670, 5528, 6910, 9340, 11675, 13820, 17275, 18680, 23350, 27640, 34550, 46700, 69100, 93400, 138200, 322697, 645394, 1290788, 1613485, 2581576, 3226970, 6453940, 8067425, 12907880, 16134850, 32269700, 64539400]

約数ペア:

[(1, 64539400), (2, 32269700), (4, 16134850), (5, 12907880), (8, 8067425), (10, 6453940), (20, 3226970), (25, 2581576), (40, 1613485), (50, 1290788), (100, 645394), (200, 322697), (467, 138200), (691, 93400), (934, 69100), (1382, 46700), (1868, 34550), (2335, 27640), (2764, 23350), (3455, 18680), (3736, 17275), (4670, 13820), (5528, 11675), (6910, 9340)]