65002000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{4643}}^1$

素因数の和:4673

約数の個数: 80

約数和(自身を含む): 179667072

約数和(自身を除く): 114665072

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1750, 2000, 2800, 3500, 4643, 7000, 9286, 14000, 18572, 23215, 32501, 37144, 46430, 65002, 74288, 92860, 116075, 130004, 162505, 185720, 232150, 260008, 325010, 371440, 464300, 520016, 580375, 650020, 812525, 928600, 1160750, 1300040, 1625050, 1857200, 2321500, 2600080, 3250100, 4062625, 4643000, 6500200, 8125250, 9286000, 13000400, 16250500, 32501000, 65002000]

約数ペア:

[(1, 65002000), (2, 32501000), (4, 16250500), (5, 13000400), (7, 9286000), (8, 8125250), (10, 6500200), (14, 4643000), (16, 4062625), (20, 3250100), (25, 2600080), (28, 2321500), (35, 1857200), (40, 1625050), (50, 1300040), (56, 1160750), (70, 928600), (80, 812525), (100, 650020), (112, 580375), (125, 520016), (140, 464300), (175, 371440), (200, 325010), (250, 260008), (280, 232150), (350, 185720), (400, 162505), (500, 130004), (560, 116075), (700, 92860), (875, 74288), (1000, 65002), (1400, 46430), (1750, 37144), (2000, 32501), (2800, 23215), (3500, 18572), (4643, 14000), (7000, 9286)]