39278720

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4721}}^1$

素因数の和:4753

約数の個数: 64

約数和(自身を含む): 101145240

約数和(自身を除く): 61866520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 260, 320, 416, 520, 640, 832, 1040, 1664, 2080, 4160, 4721, 8320, 9442, 18884, 23605, 37768, 47210, 61373, 75536, 94420, 122746, 151072, 188840, 245492, 302144, 306865, 377680, 490984, 604288, 613730, 755360, 981968, 1227460, 1510720, 1963936, 2454920, 3021440, 3927872, 4909840, 7855744, 9819680, 19639360, 39278720]

約数ペア:

[(1, 39278720), (2, 19639360), (4, 9819680), (5, 7855744), (8, 4909840), (10, 3927872), (13, 3021440), (16, 2454920), (20, 1963936), (26, 1510720), (32, 1227460), (40, 981968), (52, 755360), (64, 613730), (65, 604288), (80, 490984), (104, 377680), (128, 306865), (130, 302144), (160, 245492), (208, 188840), (260, 151072), (320, 122746), (416, 94420), (520, 75536), (640, 61373), (832, 47210), (1040, 37768), (1664, 23605), (2080, 18884), (4160, 9442), (4721, 8320)]