87651280

素因数分解:

$2^4\times 5^1\times {\mathrm{547}}^1\times {\mathrm{2003}}^1$

素因数の和:2563

約数の個数: 40

約数和(自身を含む): 204263712

約数和(自身を除く): 116612432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 547, 1094, 2003, 2188, 2735, 4006, 4376, 5470, 8012, 8752, 10015, 10940, 16024, 20030, 21880, 32048, 40060, 43760, 80120, 160240, 1095641, 2191282, 4382564, 5478205, 8765128, 10956410, 17530256, 21912820, 43825640, 87651280]

約数ペア:

[(1, 87651280), (2, 43825640), (4, 21912820), (5, 17530256), (8, 10956410), (10, 8765128), (16, 5478205), (20, 4382564), (40, 2191282), (80, 1095641), (547, 160240), (1094, 80120), (2003, 43760), (2188, 40060), (2735, 32048), (4006, 21880), (4376, 20030), (5470, 16024), (8012, 10940), (8752, 10015)]