533000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:75

約数の個数: 64

約数和(自身を含む): 1375920

約数和(自身を除く): 842920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 41, 50, 52, 65, 82, 100, 104, 125, 130, 164, 200, 205, 250, 260, 325, 328, 410, 500, 520, 533, 650, 820, 1000, 1025, 1066, 1300, 1625, 1640, 2050, 2132, 2600, 2665, 3250, 4100, 4264, 5125, 5330, 6500, 8200, 10250, 10660, 13000, 13325, 20500, 21320, 26650, 41000, 53300, 66625, 106600, 133250, 266500, 533000]

約数ペア:

[(1, 533000), (2, 266500), (4, 133250), (5, 106600), (8, 66625), (10, 53300), (13, 41000), (20, 26650), (25, 21320), (26, 20500), (40, 13325), (41, 13000), (50, 10660), (52, 10250), (65, 8200), (82, 6500), (100, 5330), (104, 5125), (125, 4264), (130, 4100), (164, 3250), (200, 2665), (205, 2600), (250, 2132), (260, 2050), (325, 1640), (328, 1625), (410, 1300), (500, 1066), (520, 1025), (533, 1000), (650, 820)]