40499440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 80

約数和(自身を含む): 101056032

約数和(自身を除く): 60556592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 97, 136, 170, 194, 272, 307, 340, 388, 485, 614, 680, 776, 970, 1228, 1360, 1535, 1552, 1649, 1940, 2456, 3070, 3298, 3880, 4912, 5219, 6140, 6596, 7760, 8245, 10438, 12280, 13192, 16490, 20876, 24560, 26095, 26384, 29779, 32980, 41752, 52190, 59558, 65960, 83504, 104380, 119116, 131920, 148895, 208760, 238232, 297790, 417520, 476464, 506243, 595580, 1012486, 1191160, 2024972, 2382320, 2531215, 4049944, 5062430, 8099888, 10124860, 20249720, 40499440]

約数ペア:

[(1, 40499440), (2, 20249720), (4, 10124860), (5, 8099888), (8, 5062430), (10, 4049944), (16, 2531215), (17, 2382320), (20, 2024972), (34, 1191160), (40, 1012486), (68, 595580), (80, 506243), (85, 476464), (97, 417520), (136, 297790), (170, 238232), (194, 208760), (272, 148895), (307, 131920), (340, 119116), (388, 104380), (485, 83504), (614, 65960), (680, 59558), (776, 52190), (970, 41752), (1228, 32980), (1360, 29779), (1535, 26384), (1552, 26095), (1649, 24560), (1940, 20876), (2456, 16490), (3070, 13192), (3298, 12280), (3880, 10438), (4912, 8245), (5219, 7760), (6140, 6596)]