25978810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{491}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 56536704

約数和(自身を除く): 30557894

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 37, 55, 65, 74, 110, 130, 143, 185, 286, 370, 407, 481, 491, 715, 814, 962, 982, 1430, 2035, 2405, 2455, 4070, 4810, 4910, 5291, 5401, 6383, 10582, 10802, 12766, 18167, 26455, 27005, 31915, 36334, 52910, 54010, 63830, 70213, 90835, 140426, 181670, 199837, 236171, 351065, 399674, 472342, 702130, 999185, 1180855, 1998370, 2361710, 2597881, 5195762, 12989405, 25978810]

約数ペア:

[(1, 25978810), (2, 12989405), (5, 5195762), (10, 2597881), (11, 2361710), (13, 1998370), (22, 1180855), (26, 999185), (37, 702130), (55, 472342), (65, 399674), (74, 351065), (110, 236171), (130, 199837), (143, 181670), (185, 140426), (286, 90835), (370, 70213), (407, 63830), (481, 54010), (491, 52910), (715, 36334), (814, 31915), (962, 27005), (982, 26455), (1430, 18167), (2035, 12766), (2405, 10802), (2455, 10582), (4070, 6383), (4810, 5401), (4910, 5291)]