28388480

素因数分解:

$2^7\times 5^1\times {\mathrm{44357}}^1$

素因数の和:44376

約数の個数: 32

約数和(自身を含む): 67867740

約数和(自身を除く): 39479260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44357, 88714, 177428, 221785, 354856, 443570, 709712, 887140, 1419424, 1774280, 2838848, 3548560, 5677696, 7097120, 14194240, 28388480]

約数ペア:

[(1, 28388480), (2, 14194240), (4, 7097120), (5, 5677696), (8, 3548560), (10, 2838848), (16, 1774280), (20, 1419424), (32, 887140), (40, 709712), (64, 443570), (80, 354856), (128, 221785), (160, 177428), (320, 88714), (640, 44357)]