28273180

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{2939}}^1$

素因数の和:2998

約数の個数: 48

約数和(自身を含む): 65691360

約数和(自身を除く): 37418180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 2939, 4810, 5878, 9620, 11756, 14695, 29390, 38207, 58780, 76414, 108743, 152828, 191035, 217486, 382070, 434972, 543715, 764140, 1087430, 1413659, 2174860, 2827318, 5654636, 7068295, 14136590, 28273180]

約数ペア:

[(1, 28273180), (2, 14136590), (4, 7068295), (5, 5654636), (10, 2827318), (13, 2174860), (20, 1413659), (26, 1087430), (37, 764140), (52, 543715), (65, 434972), (74, 382070), (130, 217486), (148, 191035), (185, 152828), (260, 108743), (370, 76414), (481, 58780), (740, 38207), (962, 29390), (1924, 14695), (2405, 11756), (2939, 9620), (4810, 5878)]