31782400

素因数分解:

$2^9\times 5^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:232

約数の個数: 120

約数和(自身を含む): 85244544

約数和(自身を除く): 53462144

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 128, 130, 160, 191, 200, 208, 256, 260, 320, 325, 382, 400, 416, 512, 520, 640, 650, 764, 800, 832, 955, 1040, 1280, 1300, 1528, 1600, 1664, 1910, 2080, 2483, 2560, 2600, 3056, 3200, 3328, 3820, 4160, 4775, 4966, 5200, 6112, 6400, 6656, 7640, 8320, 9550, 9932, 10400, 12224, 12415, 12800, 15280, 16640, 19100, 19864, 20800, 24448, 24830, 30560, 33280, 38200, 39728, 41600, 48896, 49660, 61120, 62075, 76400, 79456, 83200, 97792, 99320, 122240, 124150, 152800, 158912, 166400, 198640, 244480, 248300, 305600, 317824, 397280, 488960, 496600, 611200, 635648, 794560, 993200, 1222400, 1271296, 1589120, 1986400, 2444800, 3178240, 3972800, 6356480, 7945600, 15891200, 31782400]

約数ペア:

[(1, 31782400), (2, 15891200), (4, 7945600), (5, 6356480), (8, 3972800), (10, 3178240), (13, 2444800), (16, 1986400), (20, 1589120), (25, 1271296), (26, 1222400), (32, 993200), (40, 794560), (50, 635648), (52, 611200), (64, 496600), (65, 488960), (80, 397280), (100, 317824), (104, 305600), (128, 248300), (130, 244480), (160, 198640), (191, 166400), (200, 158912), (208, 152800), (256, 124150), (260, 122240), (320, 99320), (325, 97792), (382, 83200), (400, 79456), (416, 76400), (512, 62075), (520, 61120), (640, 49660), (650, 48896), (764, 41600), (800, 39728), (832, 38200), (955, 33280), (1040, 30560), (1280, 24830), (1300, 24448), (1528, 20800), (1600, 19864), (1664, 19100), (1910, 16640), (2080, 15280), (2483, 12800), (2560, 12415), (2600, 12224), (3056, 10400), (3200, 9932), (3328, 9550), (3820, 8320), (4160, 7640), (4775, 6656), (4966, 6400), (5200, 6112)]