39940888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 128

約数和(自身を含む): 95256000

約数和(自身を除く): 55315112

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 29, 34, 38, 41, 52, 58, 68, 76, 82, 104, 116, 136, 152, 164, 221, 232, 247, 323, 328, 377, 442, 493, 494, 533, 551, 646, 697, 754, 779, 884, 986, 988, 1066, 1102, 1189, 1292, 1394, 1508, 1558, 1768, 1972, 1976, 2132, 2204, 2378, 2584, 2788, 3016, 3116, 3944, 4199, 4264, 4408, 4756, 5576, 6232, 6409, 7163, 8398, 9061, 9367, 9512, 10127, 12818, 13243, 14326, 15457, 16796, 18122, 18734, 20213, 20254, 22591, 25636, 26486, 28652, 30914, 33592, 36244, 37468, 40426, 40508, 45182, 51272, 52972, 57304, 61828, 72488, 74936, 80852, 81016, 90364, 105944, 121771, 123656, 161704, 172159, 180728, 243542, 262769, 293683, 344318, 384047, 487084, 525538, 587366, 688636, 768094, 974168, 1051076, 1174732, 1377272, 1536188, 2102152, 2349464, 3072376, 4992611, 9985222, 19970444, 39940888]

約数ペア:

[(1, 39940888), (2, 19970444), (4, 9985222), (8, 4992611), (13, 3072376), (17, 2349464), (19, 2102152), (26, 1536188), (29, 1377272), (34, 1174732), (38, 1051076), (41, 974168), (52, 768094), (58, 688636), (68, 587366), (76, 525538), (82, 487084), (104, 384047), (116, 344318), (136, 293683), (152, 262769), (164, 243542), (221, 180728), (232, 172159), (247, 161704), (323, 123656), (328, 121771), (377, 105944), (442, 90364), (493, 81016), (494, 80852), (533, 74936), (551, 72488), (646, 61828), (697, 57304), (754, 52972), (779, 51272), (884, 45182), (986, 40508), (988, 40426), (1066, 37468), (1102, 36244), (1189, 33592), (1292, 30914), (1394, 28652), (1508, 26486), (1558, 25636), (1768, 22591), (1972, 20254), (1976, 20213), (2132, 18734), (2204, 18122), (2378, 16796), (2584, 15457), (2788, 14326), (3016, 13243), (3116, 12818), (3944, 10127), (4199, 9512), (4264, 9367), (4408, 9061), (4756, 8398), (5576, 7163), (6232, 6409)]