26940680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:630

約数の個数: 64

約数和(自身を含む): 66044160

約数和(自身を除く): 39103480

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 503, 515, 520, 824, 1006, 1030, 1339, 2012, 2060, 2515, 2678, 4024, 4120, 5030, 5356, 6539, 6695, 10060, 10712, 13078, 13390, 20120, 26156, 26780, 32695, 51809, 52312, 53560, 65390, 103618, 130780, 207236, 259045, 261560, 414472, 518090, 673517, 1036180, 1347034, 2072360, 2694068, 3367585, 5388136, 6735170, 13470340, 26940680]

約数ペア:

[(1, 26940680), (2, 13470340), (4, 6735170), (5, 5388136), (8, 3367585), (10, 2694068), (13, 2072360), (20, 1347034), (26, 1036180), (40, 673517), (52, 518090), (65, 414472), (103, 261560), (104, 259045), (130, 207236), (206, 130780), (260, 103618), (412, 65390), (503, 53560), (515, 52312), (520, 51809), (824, 32695), (1006, 26780), (1030, 26156), (1339, 20120), (2012, 13390), (2060, 13078), (2515, 10712), (2678, 10060), (4024, 6695), (4120, 6539), (5030, 5356)]