44980000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:216

約数の個数: 120

約数和(自身を含む): 119858508

約数和(自身を除く): 74878508

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 125, 130, 160, 173, 200, 208, 250, 260, 325, 346, 400, 416, 500, 520, 625, 650, 692, 800, 865, 1000, 1040, 1250, 1300, 1384, 1625, 1730, 2000, 2080, 2249, 2500, 2600, 2768, 3250, 3460, 4000, 4325, 4498, 5000, 5200, 5536, 6500, 6920, 8125, 8650, 8996, 10000, 10400, 11245, 13000, 13840, 16250, 17300, 17992, 20000, 21625, 22490, 26000, 27680, 32500, 34600, 35984, 43250, 44980, 52000, 56225, 65000, 69200, 71968, 86500, 89960, 108125, 112450, 130000, 138400, 173000, 179920, 216250, 224900, 260000, 281125, 346000, 359840, 432500, 449800, 562250, 692000, 865000, 899600, 1124500, 1405625, 1730000, 1799200, 2249000, 2811250, 3460000, 4498000, 5622500, 8996000, 11245000, 22490000, 44980000]

約数ペア:

[(1, 44980000), (2, 22490000), (4, 11245000), (5, 8996000), (8, 5622500), (10, 4498000), (13, 3460000), (16, 2811250), (20, 2249000), (25, 1799200), (26, 1730000), (32, 1405625), (40, 1124500), (50, 899600), (52, 865000), (65, 692000), (80, 562250), (100, 449800), (104, 432500), (125, 359840), (130, 346000), (160, 281125), (173, 260000), (200, 224900), (208, 216250), (250, 179920), (260, 173000), (325, 138400), (346, 130000), (400, 112450), (416, 108125), (500, 89960), (520, 86500), (625, 71968), (650, 69200), (692, 65000), (800, 56225), (865, 52000), (1000, 44980), (1040, 43250), (1250, 35984), (1300, 34600), (1384, 32500), (1625, 27680), (1730, 26000), (2000, 22490), (2080, 21625), (2249, 20000), (2500, 17992), (2600, 17300), (2768, 16250), (3250, 13840), (3460, 13000), (4000, 11245), (4325, 10400), (4498, 10000), (5000, 8996), (5200, 8650), (5536, 8125), (6500, 6920)]