72948280

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{16139}}^1$

素因数の和:16263

約数の個数: 32

約数和(自身を含む): 165596400

約数和(自身を除く): 92648120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 16139, 32278, 64556, 80695, 129112, 161390, 322780, 645560, 1823707, 3647414, 7294828, 9118535, 14589656, 18237070, 36474140, 72948280]

約数ペア:

[(1, 72948280), (2, 36474140), (4, 18237070), (5, 14589656), (8, 9118535), (10, 7294828), (20, 3647414), (40, 1823707), (113, 645560), (226, 322780), (452, 161390), (565, 129112), (904, 80695), (1130, 64556), (2260, 32278), (4520, 16139)]