4198720

素因数分解:

$2^6\times 5^1\times {\mathrm{13121}}^1$

素因数の和:13138

約数の個数: 28

約数和(自身を含む): 9998964

約数和(自身を除く): 5800244

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 13121, 26242, 52484, 65605, 104968, 131210, 209936, 262420, 419872, 524840, 839744, 1049680, 2099360, 4198720]

約数ペア:

[(1, 4198720), (2, 2099360), (4, 1049680), (5, 839744), (8, 524840), (10, 419872), (16, 262420), (20, 209936), (32, 131210), (40, 104968), (64, 65605), (80, 52484), (160, 26242), (320, 13121)]