64274300

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{1619}}^1$

素因数の和:2030

約数の個数: 36

約数和(自身を含む): 139912920

約数和(自身を除く): 75638620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 794, 1588, 1619, 1985, 3238, 3970, 6476, 7940, 8095, 9925, 16190, 19850, 32380, 39700, 40475, 80950, 161900, 642743, 1285486, 2570972, 3213715, 6427430, 12854860, 16068575, 32137150, 64274300]

約数ペア:

[(1, 64274300), (2, 32137150), (4, 16068575), (5, 12854860), (10, 6427430), (20, 3213715), (25, 2570972), (50, 1285486), (100, 642743), (397, 161900), (794, 80950), (1588, 40475), (1619, 39700), (1985, 32380), (3238, 19850), (3970, 16190), (6476, 9925), (7940, 8095)]