845780000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{3253}}^1$

素因数の和:3296

約数の個数: 120

約数和(自身を含む): 2241491868

約数和(自身を除く): 1395711868

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, 200, 208, 250, 260, 325, 400, 416, 500, 520, 625, 650, 800, 1000, 1040, 1250, 1300, 1625, 2000, 2080, 2500, 2600, 3250, 3253, 4000, 5000, 5200, 6500, 6506, 8125, 10000, 10400, 13000, 13012, 16250, 16265, 20000, 26000, 26024, 32500, 32530, 42289, 52000, 52048, 65000, 65060, 81325, 84578, 104096, 130000, 130120, 162650, 169156, 211445, 260000, 260240, 325300, 338312, 406625, 422890, 520480, 650600, 676624, 813250, 845780, 1057225, 1301200, 1353248, 1626500, 1691560, 2033125, 2114450, 2602400, 3253000, 3383120, 4066250, 4228900, 5286125, 6506000, 6766240, 8132500, 8457800, 10572250, 13012000, 16265000, 16915600, 21144500, 26430625, 32530000, 33831200, 42289000, 52861250, 65060000, 84578000, 105722500, 169156000, 211445000, 422890000, 845780000]

約数ペア:

[(1, 845780000), (2, 422890000), (4, 211445000), (5, 169156000), (8, 105722500), (10, 84578000), (13, 65060000), (16, 52861250), (20, 42289000), (25, 33831200), (26, 32530000), (32, 26430625), (40, 21144500), (50, 16915600), (52, 16265000), (65, 13012000), (80, 10572250), (100, 8457800), (104, 8132500), (125, 6766240), (130, 6506000), (160, 5286125), (200, 4228900), (208, 4066250), (250, 3383120), (260, 3253000), (325, 2602400), (400, 2114450), (416, 2033125), (500, 1691560), (520, 1626500), (625, 1353248), (650, 1301200), (800, 1057225), (1000, 845780), (1040, 813250), (1250, 676624), (1300, 650600), (1625, 520480), (2000, 422890), (2080, 406625), (2500, 338312), (2600, 325300), (3250, 260240), (3253, 260000), (4000, 211445), (5000, 169156), (5200, 162650), (6500, 130120), (6506, 130000), (8125, 104096), (10000, 84578), (10400, 81325), (13000, 65060), (13012, 65000), (16250, 52048), (16265, 52000), (20000, 42289), (26000, 32530), (26024, 32500)]