47150000

素因数分解:

$2^4\times 5^5\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:97

約数の個数: 120

約数和(自身を含む): 122054688

約数和(自身を除く): 74904688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 40, 41, 46, 50, 80, 82, 92, 100, 115, 125, 164, 184, 200, 205, 230, 250, 328, 368, 400, 410, 460, 500, 575, 625, 656, 820, 920, 943, 1000, 1025, 1150, 1250, 1640, 1840, 1886, 2000, 2050, 2300, 2500, 2875, 3125, 3280, 3772, 4100, 4600, 4715, 5000, 5125, 5750, 6250, 7544, 8200, 9200, 9430, 10000, 10250, 11500, 12500, 14375, 15088, 16400, 18860, 20500, 23000, 23575, 25000, 25625, 28750, 37720, 41000, 46000, 47150, 50000, 51250, 57500, 71875, 75440, 82000, 94300, 102500, 115000, 117875, 128125, 143750, 188600, 205000, 230000, 235750, 256250, 287500, 377200, 410000, 471500, 512500, 575000, 589375, 943000, 1025000, 1150000, 1178750, 1886000, 2050000, 2357500, 2946875, 4715000, 5893750, 9430000, 11787500, 23575000, 47150000]

約数ペア:

[(1, 47150000), (2, 23575000), (4, 11787500), (5, 9430000), (8, 5893750), (10, 4715000), (16, 2946875), (20, 2357500), (23, 2050000), (25, 1886000), (40, 1178750), (41, 1150000), (46, 1025000), (50, 943000), (80, 589375), (82, 575000), (92, 512500), (100, 471500), (115, 410000), (125, 377200), (164, 287500), (184, 256250), (200, 235750), (205, 230000), (230, 205000), (250, 188600), (328, 143750), (368, 128125), (400, 117875), (410, 115000), (460, 102500), (500, 94300), (575, 82000), (625, 75440), (656, 71875), (820, 57500), (920, 51250), (943, 50000), (1000, 47150), (1025, 46000), (1150, 41000), (1250, 37720), (1640, 28750), (1840, 25625), (1886, 25000), (2000, 23575), (2050, 23000), (2300, 20500), (2500, 18860), (2875, 16400), (3125, 15088), (3280, 14375), (3772, 12500), (4100, 11500), (4600, 10250), (4715, 10000), (5000, 9430), (5125, 9200), (5750, 8200), (6250, 7544)]