25521790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 64

約数和(自身を含む): 54996480

約数和(自身を除く): 29474690

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 61, 70, 86, 122, 139, 215, 278, 301, 305, 427, 430, 602, 610, 695, 854, 973, 1390, 1505, 1946, 2135, 2623, 3010, 4270, 4865, 5246, 5977, 8479, 9730, 11954, 13115, 16958, 18361, 26230, 29885, 36722, 41839, 42395, 59353, 59770, 83678, 84790, 91805, 118706, 183610, 209195, 296765, 364597, 418390, 593530, 729194, 1822985, 2552179, 3645970, 5104358, 12760895, 25521790]

約数ペア:

[(1, 25521790), (2, 12760895), (5, 5104358), (7, 3645970), (10, 2552179), (14, 1822985), (35, 729194), (43, 593530), (61, 418390), (70, 364597), (86, 296765), (122, 209195), (139, 183610), (215, 118706), (278, 91805), (301, 84790), (305, 83678), (427, 59770), (430, 59353), (602, 42395), (610, 41839), (695, 36722), (854, 29885), (973, 26230), (1390, 18361), (1505, 16958), (1946, 13115), (2135, 11954), (2623, 9730), (3010, 8479), (4270, 5977), (4865, 5246)]