65725000

素因数分解:

$2^3\times 5^5\times {\mathrm{11}}^1\times {\mathrm{239}}^1$

素因数の和:281

約数の個数: 96

約数和(自身を含む): 168739200

約数和(自身を除く): 103014200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 239, 250, 275, 440, 478, 500, 550, 625, 956, 1000, 1100, 1195, 1250, 1375, 1912, 2200, 2390, 2500, 2629, 2750, 3125, 4780, 5000, 5258, 5500, 5975, 6250, 6875, 9560, 10516, 11000, 11950, 12500, 13145, 13750, 21032, 23900, 25000, 26290, 27500, 29875, 34375, 47800, 52580, 55000, 59750, 65725, 68750, 105160, 119500, 131450, 137500, 149375, 239000, 262900, 275000, 298750, 328625, 525800, 597500, 657250, 746875, 1195000, 1314500, 1493750, 1643125, 2629000, 2987500, 3286250, 5975000, 6572500, 8215625, 13145000, 16431250, 32862500, 65725000]

約数ペア:

[(1, 65725000), (2, 32862500), (4, 16431250), (5, 13145000), (8, 8215625), (10, 6572500), (11, 5975000), (20, 3286250), (22, 2987500), (25, 2629000), (40, 1643125), (44, 1493750), (50, 1314500), (55, 1195000), (88, 746875), (100, 657250), (110, 597500), (125, 525800), (200, 328625), (220, 298750), (239, 275000), (250, 262900), (275, 239000), (440, 149375), (478, 137500), (500, 131450), (550, 119500), (625, 105160), (956, 68750), (1000, 65725), (1100, 59750), (1195, 55000), (1250, 52580), (1375, 47800), (1912, 34375), (2200, 29875), (2390, 27500), (2500, 26290), (2629, 25000), (2750, 23900), (3125, 21032), (4780, 13750), (5000, 13145), (5258, 12500), (5500, 11950), (5975, 11000), (6250, 10516), (6875, 9560)]