406906240

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48907}}^1$

素因数の和:48939

約数の個数: 64

約数和(自身を含む): 1047609360

約数和(自身を除く): 640703120

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, 8320, 48907, 97814, 195628, 244535, 391256, 489070, 635791, 782512, 978140, 1271582, 1565024, 1956280, 2543164, 3130048, 3178955, 3912560, 5086328, 6260096, 6357910, 7825120, 10172656, 12715820, 15650240, 20345312, 25431640, 31300480, 40690624, 50863280, 81381248, 101726560, 203453120, 406906240]

約数ペア:

[(1, 406906240), (2, 203453120), (4, 101726560), (5, 81381248), (8, 50863280), (10, 40690624), (13, 31300480), (16, 25431640), (20, 20345312), (26, 15650240), (32, 12715820), (40, 10172656), (52, 7825120), (64, 6357910), (65, 6260096), (80, 5086328), (104, 3912560), (128, 3178955), (130, 3130048), (160, 2543164), (208, 1956280), (260, 1565024), (320, 1271582), (416, 978140), (520, 782512), (640, 635791), (832, 489070), (1040, 391256), (1664, 244535), (2080, 195628), (4160, 97814), (8320, 48907)]