65810360080

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{45083}}^1$

素因数の和:45424

約数の個数: 80

約数和(自身を含む): 155771351424

約数和(自身を除く): 89960991344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 257, 284, 355, 514, 568, 710, 1028, 1136, 1285, 1420, 2056, 2570, 2840, 4112, 5140, 5680, 10280, 18247, 20560, 36494, 45083, 72988, 90166, 91235, 145976, 180332, 182470, 225415, 291952, 360664, 364940, 450830, 721328, 729880, 901660, 1459760, 1803320, 3200893, 3606640, 6401786, 11586331, 12803572, 16004465, 23172662, 25607144, 32008930, 46345324, 51214288, 57931655, 64017860, 92690648, 115863310, 128035720, 185381296, 231726620, 256071440, 463453240, 822629501, 926906480, 1645259002, 3290518004, 4113147505, 6581036008, 8226295010, 13162072016, 16452590020, 32905180040, 65810360080]

約数ペア:

[(1, 65810360080), (2, 32905180040), (4, 16452590020), (5, 13162072016), (8, 8226295010), (10, 6581036008), (16, 4113147505), (20, 3290518004), (40, 1645259002), (71, 926906480), (80, 822629501), (142, 463453240), (257, 256071440), (284, 231726620), (355, 185381296), (514, 128035720), (568, 115863310), (710, 92690648), (1028, 64017860), (1136, 57931655), (1285, 51214288), (1420, 46345324), (2056, 32008930), (2570, 25607144), (2840, 23172662), (4112, 16004465), (5140, 12803572), (5680, 11586331), (10280, 6401786), (18247, 3606640), (20560, 3200893), (36494, 1803320), (45083, 1459760), (72988, 901660), (90166, 729880), (91235, 721328), (145976, 450830), (180332, 364940), (182470, 360664), (225415, 291952)]