64144400

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{9433}}^1$

素因数の和:9468

約数の個数: 60

約数和(自身を含む): 163189332

約数和(自身を除く): 99044932

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 136, 170, 200, 272, 340, 400, 425, 680, 850, 1360, 1700, 3400, 6800, 9433, 18866, 37732, 47165, 75464, 94330, 150928, 160361, 188660, 235825, 320722, 377320, 471650, 641444, 754640, 801805, 943300, 1282888, 1603610, 1886600, 2565776, 3207220, 3773200, 4009025, 6414440, 8018050, 12828880, 16036100, 32072200, 64144400]

約数ペア:

[(1, 64144400), (2, 32072200), (4, 16036100), (5, 12828880), (8, 8018050), (10, 6414440), (16, 4009025), (17, 3773200), (20, 3207220), (25, 2565776), (34, 1886600), (40, 1603610), (50, 1282888), (68, 943300), (80, 801805), (85, 754640), (100, 641444), (136, 471650), (170, 377320), (200, 320722), (272, 235825), (340, 188660), (400, 160361), (425, 150928), (680, 94330), (850, 75464), (1360, 47165), (1700, 37732), (3400, 18866), (6800, 9433)]