31418000

素因数分解:

$2^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:729

約数の個数: 80

約数和(自身を含む): 79387776

約数和(自身を除く): 47969776

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 46, 50, 80, 92, 100, 115, 125, 184, 200, 230, 250, 368, 400, 460, 500, 575, 683, 920, 1000, 1150, 1366, 1840, 2000, 2300, 2732, 2875, 3415, 4600, 5464, 5750, 6830, 9200, 10928, 11500, 13660, 15709, 17075, 23000, 27320, 31418, 34150, 46000, 54640, 62836, 68300, 78545, 85375, 125672, 136600, 157090, 170750, 251344, 273200, 314180, 341500, 392725, 628360, 683000, 785450, 1256720, 1366000, 1570900, 1963625, 3141800, 3927250, 6283600, 7854500, 15709000, 31418000]

約数ペア:

[(1, 31418000), (2, 15709000), (4, 7854500), (5, 6283600), (8, 3927250), (10, 3141800), (16, 1963625), (20, 1570900), (23, 1366000), (25, 1256720), (40, 785450), (46, 683000), (50, 628360), (80, 392725), (92, 341500), (100, 314180), (115, 273200), (125, 251344), (184, 170750), (200, 157090), (230, 136600), (250, 125672), (368, 85375), (400, 78545), (460, 68300), (500, 62836), (575, 54640), (683, 46000), (920, 34150), (1000, 31418), (1150, 27320), (1366, 23000), (1840, 17075), (2000, 15709), (2300, 13660), (2732, 11500), (2875, 10928), (3415, 9200), (4600, 6830), (5464, 5750)]