129960220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{2617}}^1$

素因数の和:2830

約数の個数: 48

約数和(自身を含む): 295561728

約数和(自身を除く): 165601508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 191, 260, 382, 764, 955, 1910, 2483, 2617, 3820, 4966, 5234, 9932, 10468, 12415, 13085, 24830, 26170, 34021, 49660, 52340, 68042, 136084, 170105, 340210, 499847, 680420, 999694, 1999388, 2499235, 4998470, 6498011, 9996940, 12996022, 25992044, 32490055, 64980110, 129960220]

約数ペア:

[(1, 129960220), (2, 64980110), (4, 32490055), (5, 25992044), (10, 12996022), (13, 9996940), (20, 6498011), (26, 4998470), (52, 2499235), (65, 1999388), (130, 999694), (191, 680420), (260, 499847), (382, 340210), (764, 170105), (955, 136084), (1910, 68042), (2483, 52340), (2617, 49660), (3820, 34021), (4966, 26170), (5234, 24830), (9932, 13085), (10468, 12415)]