42756440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:141

約数の個数: 96

約数和(自身を含む): 105356160

約数和(自身を除く): 62599720

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 41, 58, 62, 82, 116, 124, 145, 155, 164, 205, 232, 248, 290, 310, 328, 410, 580, 620, 820, 841, 899, 1160, 1189, 1240, 1271, 1640, 1682, 1798, 2378, 2542, 3364, 3596, 4205, 4495, 4756, 5084, 5945, 6355, 6728, 7192, 8410, 8990, 9512, 10168, 11890, 12710, 16820, 17980, 23780, 25420, 26071, 33640, 34481, 35960, 36859, 47560, 50840, 52142, 68962, 73718, 104284, 130355, 137924, 147436, 172405, 184295, 208568, 260710, 275848, 294872, 344810, 368590, 521420, 689620, 737180, 1042840, 1068911, 1379240, 1474360, 2137822, 4275644, 5344555, 8551288, 10689110, 21378220, 42756440]

約数ペア:

[(1, 42756440), (2, 21378220), (4, 10689110), (5, 8551288), (8, 5344555), (10, 4275644), (20, 2137822), (29, 1474360), (31, 1379240), (40, 1068911), (41, 1042840), (58, 737180), (62, 689620), (82, 521420), (116, 368590), (124, 344810), (145, 294872), (155, 275848), (164, 260710), (205, 208568), (232, 184295), (248, 172405), (290, 147436), (310, 137924), (328, 130355), (410, 104284), (580, 73718), (620, 68962), (820, 52142), (841, 50840), (899, 47560), (1160, 36859), (1189, 35960), (1240, 34481), (1271, 33640), (1640, 26071), (1682, 25420), (1798, 23780), (2378, 17980), (2542, 16820), (3364, 12710), (3596, 11890), (4205, 10168), (4495, 9512), (4756, 8990), (5084, 8410), (5945, 7192), (6355, 6728)]