64302680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3989}}^1$

素因数の和:4044

約数の個数: 64

約数和(自身を含む): 160876800

約数和(自身を除く): 96574120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 3989, 4030, 7978, 8060, 15956, 16120, 19945, 31912, 39890, 51857, 79780, 103714, 123659, 159560, 207428, 247318, 259285, 414856, 494636, 518570, 618295, 989272, 1037140, 1236590, 1607567, 2074280, 2473180, 3215134, 4946360, 6430268, 8037835, 12860536, 16075670, 32151340, 64302680]

約数ペア:

[(1, 64302680), (2, 32151340), (4, 16075670), (5, 12860536), (8, 8037835), (10, 6430268), (13, 4946360), (20, 3215134), (26, 2473180), (31, 2074280), (40, 1607567), (52, 1236590), (62, 1037140), (65, 989272), (104, 618295), (124, 518570), (130, 494636), (155, 414856), (248, 259285), (260, 247318), (310, 207428), (403, 159560), (520, 123659), (620, 103714), (806, 79780), (1240, 51857), (1612, 39890), (2015, 31912), (3224, 19945), (3989, 16120), (4030, 15956), (7978, 8060)]