42478720

素因数分解:

$2^7\times 5^1\times {\mathrm{66373}}^1$

素因数の和:66392

約数の個数: 32

約数和(自身を含む): 101552220

約数和(自身を除く): 59073500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 66373, 132746, 265492, 331865, 530984, 663730, 1061968, 1327460, 2123936, 2654920, 4247872, 5309840, 8495744, 10619680, 21239360, 42478720]

約数ペア:

[(1, 42478720), (2, 21239360), (4, 10619680), (5, 8495744), (8, 5309840), (10, 4247872), (16, 2654920), (20, 2123936), (32, 1327460), (40, 1061968), (64, 663730), (80, 530984), (128, 331865), (160, 265492), (320, 132746), (640, 66373)]