40338064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{173}}^1$

素因数の和:272

約数の個数: 80

約数和(自身を含む): 90619200

約数和(自身を除く): 50281136

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 59, 76, 104, 118, 152, 173, 208, 236, 247, 304, 346, 472, 494, 692, 767, 944, 988, 1121, 1384, 1534, 1976, 2242, 2249, 2768, 3068, 3287, 3952, 4484, 4498, 6136, 6574, 8968, 8996, 10207, 12272, 13148, 14573, 17936, 17992, 20414, 26296, 29146, 35984, 40828, 42731, 52592, 58292, 81656, 85462, 116584, 132691, 163312, 170924, 193933, 233168, 265382, 341848, 387866, 530764, 683696, 775732, 1061528, 1551464, 2123056, 2521129, 3102928, 5042258, 10084516, 20169032, 40338064]

約数ペア:

[(1, 40338064), (2, 20169032), (4, 10084516), (8, 5042258), (13, 3102928), (16, 2521129), (19, 2123056), (26, 1551464), (38, 1061528), (52, 775732), (59, 683696), (76, 530764), (104, 387866), (118, 341848), (152, 265382), (173, 233168), (208, 193933), (236, 170924), (247, 163312), (304, 132691), (346, 116584), (472, 85462), (494, 81656), (692, 58292), (767, 52592), (944, 42731), (988, 40828), (1121, 35984), (1384, 29146), (1534, 26296), (1976, 20414), (2242, 17992), (2249, 17936), (2768, 14573), (3068, 13148), (3287, 12272), (3952, 10207), (4484, 8996), (4498, 8968), (6136, 6574)]