27881680

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3593}}^1$

素因数の和:3703

約数の個数: 40

約数和(自身を含む): 65511432

約数和(自身を除く): 37629752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3593, 3880, 7186, 7760, 14372, 17965, 28744, 35930, 57488, 71860, 143720, 287440, 348521, 697042, 1394084, 1742605, 2788168, 3485210, 5576336, 6970420, 13940840, 27881680]

約数ペア:

[(1, 27881680), (2, 13940840), (4, 6970420), (5, 5576336), (8, 3485210), (10, 2788168), (16, 1742605), (20, 1394084), (40, 697042), (80, 348521), (97, 287440), (194, 143720), (388, 71860), (485, 57488), (776, 35930), (970, 28744), (1552, 17965), (1940, 14372), (3593, 7760), (3880, 7186)]