65540000

素因数分解:

$2^5\times 5^4\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:172

約数の個数: 120

約数和(自身を含む): 168274260

約数和(自身を除く): 102734260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 32, 40, 50, 58, 80, 100, 113, 116, 125, 145, 160, 200, 226, 232, 250, 290, 400, 452, 464, 500, 565, 580, 625, 725, 800, 904, 928, 1000, 1130, 1160, 1250, 1450, 1808, 2000, 2260, 2320, 2500, 2825, 2900, 3277, 3616, 3625, 4000, 4520, 4640, 5000, 5650, 5800, 6554, 7250, 9040, 10000, 11300, 11600, 13108, 14125, 14500, 16385, 18080, 18125, 20000, 22600, 23200, 26216, 28250, 29000, 32770, 36250, 45200, 52432, 56500, 58000, 65540, 70625, 72500, 81925, 90400, 104864, 113000, 116000, 131080, 141250, 145000, 163850, 226000, 262160, 282500, 290000, 327700, 409625, 452000, 524320, 565000, 580000, 655400, 819250, 1130000, 1310800, 1638500, 2048125, 2260000, 2621600, 3277000, 4096250, 6554000, 8192500, 13108000, 16385000, 32770000, 65540000]

約数ペア:

[(1, 65540000), (2, 32770000), (4, 16385000), (5, 13108000), (8, 8192500), (10, 6554000), (16, 4096250), (20, 3277000), (25, 2621600), (29, 2260000), (32, 2048125), (40, 1638500), (50, 1310800), (58, 1130000), (80, 819250), (100, 655400), (113, 580000), (116, 565000), (125, 524320), (145, 452000), (160, 409625), (200, 327700), (226, 290000), (232, 282500), (250, 262160), (290, 226000), (400, 163850), (452, 145000), (464, 141250), (500, 131080), (565, 116000), (580, 113000), (625, 104864), (725, 90400), (800, 81925), (904, 72500), (928, 70625), (1000, 65540), (1130, 58000), (1160, 56500), (1250, 52432), (1450, 45200), (1808, 36250), (2000, 32770), (2260, 29000), (2320, 28250), (2500, 26216), (2825, 23200), (2900, 22600), (3277, 20000), (3616, 18125), (3625, 18080), (4000, 16385), (4520, 14500), (4640, 14125), (5000, 13108), (5650, 11600), (5800, 11300), (6554, 10000), (7250, 9040)]