2020198720

素因数分解:

$2^6\times 5^1\times {\mathrm{6313121}}^1$

素因数の和:6313138

約数の個数: 28

約数和(自身を含む): 4810598964

約数和(自身を除く): 2790400244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 6313121, 12626242, 25252484, 31565605, 50504968, 63131210, 101009936, 126262420, 202019872, 252524840, 404039744, 505049680, 1010099360, 2020198720]

約数ペア:

[(1, 2020198720), (2, 1010099360), (4, 505049680), (5, 404039744), (8, 252524840), (10, 202019872), (16, 126262420), (20, 101009936), (32, 63131210), (40, 50504968), (64, 31565605), (80, 25252484), (160, 12626242), (320, 6313121)]