16720240

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{7207}}^1$

素因数の和:7249

約数の個数: 40

約数和(自身を含む): 40220640

約数和(自身を除く): 23500400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 7207, 14414, 28828, 36035, 57656, 72070, 115312, 144140, 209003, 288280, 418006, 576560, 836012, 1045015, 1672024, 2090030, 3344048, 4180060, 8360120, 16720240]

約数ペア:

[(1, 16720240), (2, 8360120), (4, 4180060), (5, 3344048), (8, 2090030), (10, 1672024), (16, 1045015), (20, 836012), (29, 576560), (40, 418006), (58, 288280), (80, 209003), (116, 144140), (145, 115312), (232, 72070), (290, 57656), (464, 36035), (580, 28828), (1160, 14414), (2320, 7207)]