4505000

素因数分解:

$2^3\times 5^4\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:96

約数の個数: 80

約数和(自身を含む): 11386980

約数和(自身を除く): 6881980

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 53, 68, 85, 100, 106, 125, 136, 170, 200, 212, 250, 265, 340, 424, 425, 500, 530, 625, 680, 850, 901, 1000, 1060, 1250, 1325, 1700, 1802, 2120, 2125, 2500, 2650, 3400, 3604, 4250, 4505, 5000, 5300, 6625, 7208, 8500, 9010, 10600, 10625, 13250, 17000, 18020, 21250, 22525, 26500, 33125, 36040, 42500, 45050, 53000, 66250, 85000, 90100, 112625, 132500, 180200, 225250, 265000, 450500, 563125, 901000, 1126250, 2252500, 4505000]

約数ペア:

[(1, 4505000), (2, 2252500), (4, 1126250), (5, 901000), (8, 563125), (10, 450500), (17, 265000), (20, 225250), (25, 180200), (34, 132500), (40, 112625), (50, 90100), (53, 85000), (68, 66250), (85, 53000), (100, 45050), (106, 42500), (125, 36040), (136, 33125), (170, 26500), (200, 22525), (212, 21250), (250, 18020), (265, 17000), (340, 13250), (424, 10625), (425, 10600), (500, 9010), (530, 8500), (625, 7208), (680, 6625), (850, 5300), (901, 5000), (1000, 4505), (1060, 4250), (1250, 3604), (1325, 3400), (1700, 2650), (1802, 2500), (2120, 2125)]