128882000

素因数分解:

$2^4\times 5^3\times {\mathrm{13}}^1\times {\mathrm{4957}}^1$

素因数の和:4993

約数の個数: 80

約数和(自身を含む): 335676432

約数和(自身を除く): 206794432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 125, 130, 200, 208, 250, 260, 325, 400, 500, 520, 650, 1000, 1040, 1300, 1625, 2000, 2600, 3250, 4957, 5200, 6500, 9914, 13000, 19828, 24785, 26000, 39656, 49570, 64441, 79312, 99140, 123925, 128882, 198280, 247850, 257764, 322205, 396560, 495700, 515528, 619625, 644410, 991400, 1031056, 1239250, 1288820, 1611025, 1982800, 2478500, 2577640, 3222050, 4957000, 5155280, 6444100, 8055125, 9914000, 12888200, 16110250, 25776400, 32220500, 64441000, 128882000]

約数ペア:

[(1, 128882000), (2, 64441000), (4, 32220500), (5, 25776400), (8, 16110250), (10, 12888200), (13, 9914000), (16, 8055125), (20, 6444100), (25, 5155280), (26, 4957000), (40, 3222050), (50, 2577640), (52, 2478500), (65, 1982800), (80, 1611025), (100, 1288820), (104, 1239250), (125, 1031056), (130, 991400), (200, 644410), (208, 619625), (250, 515528), (260, 495700), (325, 396560), (400, 322205), (500, 257764), (520, 247850), (650, 198280), (1000, 128882), (1040, 123925), (1300, 99140), (1625, 79312), (2000, 64441), (2600, 49570), (3250, 39656), (4957, 26000), (5200, 24785), (6500, 19828), (9914, 13000)]