260035000

素因数分解:

$2^3\times 5^4\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 80

約数和(自身を含む): 615459240

約数和(自身を除く): 355424240

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 131, 200, 250, 262, 397, 500, 524, 625, 655, 794, 1000, 1048, 1250, 1310, 1588, 1985, 2500, 2620, 3176, 3275, 3970, 5000, 5240, 6550, 7940, 9925, 13100, 15880, 16375, 19850, 26200, 32750, 39700, 49625, 52007, 65500, 79400, 81875, 99250, 104014, 131000, 163750, 198500, 208028, 248125, 260035, 327500, 397000, 416056, 496250, 520070, 655000, 992500, 1040140, 1300175, 1985000, 2080280, 2600350, 5200700, 6500875, 10401400, 13001750, 26003500, 32504375, 52007000, 65008750, 130017500, 260035000]

約数ペア:

[(1, 260035000), (2, 130017500), (4, 65008750), (5, 52007000), (8, 32504375), (10, 26003500), (20, 13001750), (25, 10401400), (40, 6500875), (50, 5200700), (100, 2600350), (125, 2080280), (131, 1985000), (200, 1300175), (250, 1040140), (262, 992500), (397, 655000), (500, 520070), (524, 496250), (625, 416056), (655, 397000), (794, 327500), (1000, 260035), (1048, 248125), (1250, 208028), (1310, 198500), (1588, 163750), (1985, 131000), (2500, 104014), (2620, 99250), (3176, 81875), (3275, 79400), (3970, 65500), (5000, 52007), (5240, 49625), (6550, 39700), (7940, 32750), (9925, 26200), (13100, 19850), (15880, 16375)]