55500880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16921}}^1$

素因数の和:16975

約数の個数: 40

約数和(自身を含む): 132194664

約数和(自身を除く): 76693784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 16921, 33842, 67684, 84605, 135368, 169210, 270736, 338420, 676840, 693761, 1353680, 1387522, 2775044, 3468805, 5550088, 6937610, 11100176, 13875220, 27750440, 55500880]

約数ペア:

[(1, 55500880), (2, 27750440), (4, 13875220), (5, 11100176), (8, 6937610), (10, 5550088), (16, 3468805), (20, 2775044), (40, 1387522), (41, 1353680), (80, 693761), (82, 676840), (164, 338420), (205, 270736), (328, 169210), (410, 135368), (656, 84605), (820, 67684), (1640, 33842), (3280, 16921)]