55401520

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{4003}}^1$

素因数の和:4189

約数の個数: 40

約数和(自身を含む): 129585456

約数和(自身を除く): 74183936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2768, 3460, 4003, 6920, 8006, 13840, 16012, 20015, 32024, 40030, 64048, 80060, 160120, 320240, 692519, 1385038, 2770076, 3462595, 5540152, 6925190, 11080304, 13850380, 27700760, 55401520]

約数ペア:

[(1, 55401520), (2, 27700760), (4, 13850380), (5, 11080304), (8, 6925190), (10, 5540152), (16, 3462595), (20, 2770076), (40, 1385038), (80, 692519), (173, 320240), (346, 160120), (692, 80060), (865, 64048), (1384, 40030), (1730, 32024), (2768, 20015), (3460, 16012), (4003, 13840), (6920, 8006)]