28558720

素因数分解:

$2^7\times 5^1\times {\mathrm{44623}}^1$

素因数の和:44642

約数の個数: 32

約数和(自身を含む): 68274720

約数和(自身を除く): 39716000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44623, 89246, 178492, 223115, 356984, 446230, 713968, 892460, 1427936, 1784920, 2855872, 3569840, 5711744, 7139680, 14279360, 28558720]

約数ペア:

[(1, 28558720), (2, 14279360), (4, 7139680), (5, 5711744), (8, 3569840), (10, 2855872), (16, 1784920), (20, 1427936), (32, 892460), (40, 713968), (64, 446230), (80, 356984), (128, 223115), (160, 178492), (320, 89246), (640, 44623)]