1632800

素因数分解:

$2^5\times 5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1$

素因数の和:190

約数の個数: 72

約数和(自身を含む): 4320036

約数和(自身を除く): 2687236

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 65, 80, 100, 104, 130, 157, 160, 200, 208, 260, 314, 325, 400, 416, 520, 628, 650, 785, 800, 1040, 1256, 1300, 1570, 2041, 2080, 2512, 2600, 3140, 3925, 4082, 5024, 5200, 6280, 7850, 8164, 10205, 10400, 12560, 15700, 16328, 20410, 25120, 31400, 32656, 40820, 51025, 62800, 65312, 81640, 102050, 125600, 163280, 204100, 326560, 408200, 816400, 1632800]

約数ペア:

[(1, 1632800), (2, 816400), (4, 408200), (5, 326560), (8, 204100), (10, 163280), (13, 125600), (16, 102050), (20, 81640), (25, 65312), (26, 62800), (32, 51025), (40, 40820), (50, 32656), (52, 31400), (65, 25120), (80, 20410), (100, 16328), (104, 15700), (130, 12560), (157, 10400), (160, 10205), (200, 8164), (208, 7850), (260, 6280), (314, 5200), (325, 5024), (400, 4082), (416, 3925), (520, 3140), (628, 2600), (650, 2512), (785, 2080), (800, 2041), (1040, 1570), (1256, 1300)]