77889760

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37447}}^1$

素因数の和:37475

約数の個数: 48

約数和(自身を含む): 198174816

約数和(自身を除く): 120285056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 37447, 74894, 149788, 187235, 299576, 374470, 486811, 599152, 748940, 973622, 1198304, 1497880, 1947244, 2434055, 2995760, 3894488, 4868110, 5991520, 7788976, 9736220, 15577952, 19472440, 38944880, 77889760]

約数ペア:

[(1, 77889760), (2, 38944880), (4, 19472440), (5, 15577952), (8, 9736220), (10, 7788976), (13, 5991520), (16, 4868110), (20, 3894488), (26, 2995760), (32, 2434055), (40, 1947244), (52, 1497880), (65, 1198304), (80, 973622), (104, 748940), (130, 599152), (160, 486811), (208, 374470), (260, 299576), (416, 187235), (520, 149788), (1040, 74894), (2080, 37447)]