80497300

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3259}}^1$

素因数の和:3305

約数の個数: 72

約数和(自身を含む): 198077600

約数和(自身を除く): 117580300

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 190, 247, 260, 325, 380, 475, 494, 650, 950, 988, 1235, 1300, 1900, 2470, 3259, 4940, 6175, 6518, 12350, 13036, 16295, 24700, 32590, 42367, 61921, 65180, 81475, 84734, 123842, 162950, 169468, 211835, 247684, 309605, 325900, 423670, 619210, 804973, 847340, 1059175, 1238420, 1548025, 1609946, 2118350, 3096050, 3219892, 4024865, 4236700, 6192100, 8049730, 16099460, 20124325, 40248650, 80497300]

約数ペア:

[(1, 80497300), (2, 40248650), (4, 20124325), (5, 16099460), (10, 8049730), (13, 6192100), (19, 4236700), (20, 4024865), (25, 3219892), (26, 3096050), (38, 2118350), (50, 1609946), (52, 1548025), (65, 1238420), (76, 1059175), (95, 847340), (100, 804973), (130, 619210), (190, 423670), (247, 325900), (260, 309605), (325, 247684), (380, 211835), (475, 169468), (494, 162950), (650, 123842), (950, 84734), (988, 81475), (1235, 65180), (1300, 61921), (1900, 42367), (2470, 32590), (3259, 24700), (4940, 16295), (6175, 13036), (6518, 12350)]