40877564

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{263}}^1$

素因数の和:355

約数の個数: 72

約数和(自身を含む): 91431648

約数和(自身を除く): 50554084

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 61, 91, 98, 122, 182, 196, 244, 263, 364, 427, 526, 637, 793, 854, 1052, 1274, 1586, 1708, 1841, 2548, 2989, 3172, 3419, 3682, 5551, 5978, 6838, 7364, 11102, 11956, 12887, 13676, 16043, 22204, 23933, 25774, 32086, 38857, 47866, 51548, 64172, 77714, 95732, 112301, 155428, 167531, 208559, 224602, 335062, 417118, 449204, 670124, 786107, 834236, 1459913, 1572214, 2919826, 3144428, 5839652, 10219391, 20438782, 40877564]

約数ペア:

[(1, 40877564), (2, 20438782), (4, 10219391), (7, 5839652), (13, 3144428), (14, 2919826), (26, 1572214), (28, 1459913), (49, 834236), (52, 786107), (61, 670124), (91, 449204), (98, 417118), (122, 335062), (182, 224602), (196, 208559), (244, 167531), (263, 155428), (364, 112301), (427, 95732), (526, 77714), (637, 64172), (793, 51548), (854, 47866), (1052, 38857), (1274, 32086), (1586, 25774), (1708, 23933), (1841, 22204), (2548, 16043), (2989, 13676), (3172, 12887), (3419, 11956), (3682, 11102), (5551, 7364), (5978, 6838)]