8214700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:187

約数の個数: 72

約数和(自身を含む): 19686240

約数和(自身を除く): 11471540

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 71, 89, 100, 130, 142, 178, 260, 284, 325, 355, 356, 445, 650, 710, 890, 923, 1157, 1300, 1420, 1775, 1780, 1846, 2225, 2314, 3550, 3692, 4450, 4615, 4628, 5785, 6319, 7100, 8900, 9230, 11570, 12638, 18460, 23075, 23140, 25276, 28925, 31595, 46150, 57850, 63190, 82147, 92300, 115700, 126380, 157975, 164294, 315950, 328588, 410735, 631900, 821470, 1642940, 2053675, 4107350, 8214700]

約数ペア:

[(1, 8214700), (2, 4107350), (4, 2053675), (5, 1642940), (10, 821470), (13, 631900), (20, 410735), (25, 328588), (26, 315950), (50, 164294), (52, 157975), (65, 126380), (71, 115700), (89, 92300), (100, 82147), (130, 63190), (142, 57850), (178, 46150), (260, 31595), (284, 28925), (325, 25276), (355, 23140), (356, 23075), (445, 18460), (650, 12638), (710, 11570), (890, 9230), (923, 8900), (1157, 7100), (1300, 6319), (1420, 5785), (1775, 4628), (1780, 4615), (1846, 4450), (2225, 3692), (2314, 3550)]