27694720

素因数分解:

$2^7\times 5^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 66983400

約数和(自身を除く): 39288680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 109, 128, 160, 218, 320, 397, 436, 545, 640, 794, 872, 1090, 1588, 1744, 1985, 2180, 3176, 3488, 3970, 4360, 6352, 6976, 7940, 8720, 12704, 13952, 15880, 17440, 25408, 31760, 34880, 43273, 50816, 63520, 69760, 86546, 127040, 173092, 216365, 254080, 346184, 432730, 692368, 865460, 1384736, 1730920, 2769472, 3461840, 5538944, 6923680, 13847360, 27694720]

約数ペア:

[(1, 27694720), (2, 13847360), (4, 6923680), (5, 5538944), (8, 3461840), (10, 2769472), (16, 1730920), (20, 1384736), (32, 865460), (40, 692368), (64, 432730), (80, 346184), (109, 254080), (128, 216365), (160, 173092), (218, 127040), (320, 86546), (397, 69760), (436, 63520), (545, 50816), (640, 43273), (794, 34880), (872, 31760), (1090, 25408), (1588, 17440), (1744, 15880), (1985, 13952), (2180, 12704), (3176, 8720), (3488, 7940), (3970, 6976), (4360, 6352)]