82539760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{443}}^1$

素因数の和:610

約数の個数: 80

約数和(自身を含む): 205138656

約数和(自身を除く): 122598896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 137, 170, 272, 274, 340, 443, 548, 680, 685, 886, 1096, 1360, 1370, 1772, 2192, 2215, 2329, 2740, 3544, 4430, 4658, 5480, 7088, 7531, 8860, 9316, 10960, 11645, 15062, 17720, 18632, 23290, 30124, 35440, 37264, 37655, 46580, 60248, 60691, 75310, 93160, 120496, 121382, 150620, 186320, 242764, 301240, 303455, 485528, 602480, 606910, 971056, 1031747, 1213820, 2063494, 2427640, 4126988, 4855280, 5158735, 8253976, 10317470, 16507952, 20634940, 41269880, 82539760]

約数ペア:

[(1, 82539760), (2, 41269880), (4, 20634940), (5, 16507952), (8, 10317470), (10, 8253976), (16, 5158735), (17, 4855280), (20, 4126988), (34, 2427640), (40, 2063494), (68, 1213820), (80, 1031747), (85, 971056), (136, 606910), (137, 602480), (170, 485528), (272, 303455), (274, 301240), (340, 242764), (443, 186320), (548, 150620), (680, 121382), (685, 120496), (886, 93160), (1096, 75310), (1360, 60691), (1370, 60248), (1772, 46580), (2192, 37655), (2215, 37264), (2329, 35440), (2740, 30124), (3544, 23290), (4430, 18632), (4658, 17720), (5480, 15062), (7088, 11645), (7531, 10960), (8860, 9316)]