39728000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:233

約数の個数: 128

約数和(自身を含む): 106928640

約数和(自身を除く): 67200640

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 160, 191, 200, 208, 250, 260, 320, 325, 382, 400, 416, 500, 520, 640, 650, 764, 800, 832, 955, 1000, 1040, 1300, 1528, 1600, 1625, 1664, 1910, 2000, 2080, 2483, 2600, 3056, 3200, 3250, 3820, 4000, 4160, 4775, 4966, 5200, 6112, 6500, 7640, 8000, 8320, 9550, 9932, 10400, 12224, 12415, 13000, 15280, 16000, 19100, 19864, 20800, 23875, 24448, 24830, 26000, 30560, 38200, 39728, 41600, 47750, 49660, 52000, 61120, 62075, 76400, 79456, 95500, 99320, 104000, 122240, 124150, 152800, 158912, 191000, 198640, 208000, 248300, 305600, 310375, 317824, 382000, 397280, 496600, 611200, 620750, 764000, 794560, 993200, 1241500, 1528000, 1589120, 1986400, 2483000, 3056000, 3972800, 4966000, 7945600, 9932000, 19864000, 39728000]

約数ペア:

[(1, 39728000), (2, 19864000), (4, 9932000), (5, 7945600), (8, 4966000), (10, 3972800), (13, 3056000), (16, 2483000), (20, 1986400), (25, 1589120), (26, 1528000), (32, 1241500), (40, 993200), (50, 794560), (52, 764000), (64, 620750), (65, 611200), (80, 496600), (100, 397280), (104, 382000), (125, 317824), (128, 310375), (130, 305600), (160, 248300), (191, 208000), (200, 198640), (208, 191000), (250, 158912), (260, 152800), (320, 124150), (325, 122240), (382, 104000), (400, 99320), (416, 95500), (500, 79456), (520, 76400), (640, 62075), (650, 61120), (764, 52000), (800, 49660), (832, 47750), (955, 41600), (1000, 39728), (1040, 38200), (1300, 30560), (1528, 26000), (1600, 24830), (1625, 24448), (1664, 23875), (1910, 20800), (2000, 19864), (2080, 19100), (2483, 16000), (2600, 15280), (3056, 13000), (3200, 12415), (3250, 12224), (3820, 10400), (4000, 9932), (4160, 9550), (4775, 8320), (4966, 8000), (5200, 7640), (6112, 6500)]