2762500

素因数分解:

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

素因数の和:59

約数の個数: 72

約数和(自身を含む): 6890184

約数和(自身を除く): 4127684

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 125, 130, 170, 221, 250, 260, 325, 340, 425, 442, 500, 625, 650, 850, 884, 1105, 1250, 1300, 1625, 1700, 2125, 2210, 2500, 3125, 3250, 4250, 4420, 5525, 6250, 6500, 8125, 8500, 10625, 11050, 12500, 16250, 21250, 22100, 27625, 32500, 40625, 42500, 53125, 55250, 81250, 106250, 110500, 138125, 162500, 212500, 276250, 552500, 690625, 1381250, 2762500]

約数ペア:

[(1, 2762500), (2, 1381250), (4, 690625), (5, 552500), (10, 276250), (13, 212500), (17, 162500), (20, 138125), (25, 110500), (26, 106250), (34, 81250), (50, 55250), (52, 53125), (65, 42500), (68, 40625), (85, 32500), (100, 27625), (125, 22100), (130, 21250), (170, 16250), (221, 12500), (250, 11050), (260, 10625), (325, 8500), (340, 8125), (425, 6500), (442, 6250), (500, 5525), (625, 4420), (650, 4250), (850, 3250), (884, 3125), (1105, 2500), (1250, 2210), (1300, 2125), (1625, 1700)]