201838720

素因数分解:

$2^7\times 5^1\times {\mathrm{315373}}^1$

素因数の和:315392

約数の個数: 32

約数和(自身を含む): 482522220

約数和(自身を除く): 280683500

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 315373, 630746, 1261492, 1576865, 2522984, 3153730, 5045968, 6307460, 10091936, 12614920, 20183872, 25229840, 40367744, 50459680, 100919360, 201838720]

約数ペア:

[(1, 201838720), (2, 100919360), (4, 50459680), (5, 40367744), (8, 25229840), (10, 20183872), (16, 12614920), (20, 10091936), (32, 6307460), (40, 5045968), (64, 3153730), (80, 2522984), (128, 1576865), (160, 1261492), (320, 630746), (640, 315373)]