80165540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2591}}^1$

素因数の和:2637

約数の個数: 96

約数和(自身を含む): 219469824

約数和(自身を除く): 139304284

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 52, 65, 68, 70, 85, 91, 119, 130, 140, 170, 182, 221, 238, 260, 340, 364, 442, 455, 476, 595, 884, 910, 1105, 1190, 1547, 1820, 2210, 2380, 2591, 3094, 4420, 5182, 6188, 7735, 10364, 12955, 15470, 18137, 25910, 30940, 33683, 36274, 44047, 51820, 67366, 72548, 88094, 90685, 134732, 168415, 176188, 181370, 220235, 235781, 308329, 336830, 362740, 440470, 471562, 572611, 616658, 673660, 880940, 943124, 1145222, 1178905, 1233316, 1541645, 2290444, 2357810, 2863055, 3083290, 4008277, 4715620, 5726110, 6166580, 8016554, 11452220, 16033108, 20041385, 40082770, 80165540]

約数ペア:

[(1, 80165540), (2, 40082770), (4, 20041385), (5, 16033108), (7, 11452220), (10, 8016554), (13, 6166580), (14, 5726110), (17, 4715620), (20, 4008277), (26, 3083290), (28, 2863055), (34, 2357810), (35, 2290444), (52, 1541645), (65, 1233316), (68, 1178905), (70, 1145222), (85, 943124), (91, 880940), (119, 673660), (130, 616658), (140, 572611), (170, 471562), (182, 440470), (221, 362740), (238, 336830), (260, 308329), (340, 235781), (364, 220235), (442, 181370), (455, 176188), (476, 168415), (595, 134732), (884, 90685), (910, 88094), (1105, 72548), (1190, 67366), (1547, 51820), (1820, 44047), (2210, 36274), (2380, 33683), (2591, 30940), (3094, 25910), (4420, 18137), (5182, 15470), (6188, 12955), (7735, 10364)]