1105000

素因数分解:

$2^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:56

約数の個数: 80

約数和(自身を含む): 2952180

約数和(自身を除く): 1847180

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 125, 130, 136, 170, 200, 221, 250, 260, 325, 340, 425, 442, 500, 520, 625, 650, 680, 850, 884, 1000, 1105, 1250, 1300, 1625, 1700, 1768, 2125, 2210, 2500, 2600, 3250, 3400, 4250, 4420, 5000, 5525, 6500, 8125, 8500, 8840, 10625, 11050, 13000, 16250, 17000, 21250, 22100, 27625, 32500, 42500, 44200, 55250, 65000, 85000, 110500, 138125, 221000, 276250, 552500, 1105000]

約数ペア:

[(1, 1105000), (2, 552500), (4, 276250), (5, 221000), (8, 138125), (10, 110500), (13, 85000), (17, 65000), (20, 55250), (25, 44200), (26, 42500), (34, 32500), (40, 27625), (50, 22100), (52, 21250), (65, 17000), (68, 16250), (85, 13000), (100, 11050), (104, 10625), (125, 8840), (130, 8500), (136, 8125), (170, 6500), (200, 5525), (221, 5000), (250, 4420), (260, 4250), (325, 3400), (340, 3250), (425, 2600), (442, 2500), (500, 2210), (520, 2125), (625, 1768), (650, 1700), (680, 1625), (850, 1300), (884, 1250), (1000, 1105)]