4172984680

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{19489}}^1$

素因数の和:19654

約数の個数: 64

約数和(自身を含む): 9661582800

約数和(自身を除く): 5488598120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 101, 106, 202, 212, 265, 404, 424, 505, 530, 808, 1010, 1060, 2020, 2120, 4040, 5353, 10706, 19489, 21412, 26765, 38978, 42824, 53530, 77956, 97445, 107060, 155912, 194890, 214120, 389780, 779560, 1032917, 1968389, 2065834, 3936778, 4131668, 5164585, 7873556, 8263336, 9841945, 10329170, 15747112, 19683890, 20658340, 39367780, 41316680, 78735560, 104324617, 208649234, 417298468, 521623085, 834596936, 1043246170, 2086492340, 4172984680]

約数ペア:

[(1, 4172984680), (2, 2086492340), (4, 1043246170), (5, 834596936), (8, 521623085), (10, 417298468), (20, 208649234), (40, 104324617), (53, 78735560), (101, 41316680), (106, 39367780), (202, 20658340), (212, 19683890), (265, 15747112), (404, 10329170), (424, 9841945), (505, 8263336), (530, 7873556), (808, 5164585), (1010, 4131668), (1060, 3936778), (2020, 2065834), (2120, 1968389), (4040, 1032917), (5353, 779560), (10706, 389780), (19489, 214120), (21412, 194890), (26765, 155912), (38978, 107060), (42824, 97445), (53530, 77956)]