86820760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1621}}^1$

素因数の和:1748

約数の個数: 64

約数和(自身を含む): 212546880

約数和(自身を除く): 125726120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 103, 104, 130, 206, 260, 412, 515, 520, 824, 1030, 1339, 1621, 2060, 2678, 3242, 4120, 5356, 6484, 6695, 8105, 10712, 12968, 13390, 16210, 21073, 26780, 32420, 42146, 53560, 64840, 84292, 105365, 166963, 168584, 210730, 333926, 421460, 667852, 834815, 842920, 1335704, 1669630, 2170519, 3339260, 4341038, 6678520, 8682076, 10852595, 17364152, 21705190, 43410380, 86820760]

約数ペア:

[(1, 86820760), (2, 43410380), (4, 21705190), (5, 17364152), (8, 10852595), (10, 8682076), (13, 6678520), (20, 4341038), (26, 3339260), (40, 2170519), (52, 1669630), (65, 1335704), (103, 842920), (104, 834815), (130, 667852), (206, 421460), (260, 333926), (412, 210730), (515, 168584), (520, 166963), (824, 105365), (1030, 84292), (1339, 64840), (1621, 53560), (2060, 42146), (2678, 32420), (3242, 26780), (4120, 21073), (5356, 16210), (6484, 13390), (6695, 12968), (8105, 10712)]