16985440

素因数分解:

$2^5\times 5^1\times {\mathrm{53}}^1\times {\mathrm{2003}}^1$

素因数の和:2071

約数の個数: 48

約数和(自身を含む): 40905648

約数和(自身を除く): 23920208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 80, 106, 160, 212, 265, 424, 530, 848, 1060, 1696, 2003, 2120, 4006, 4240, 8012, 8480, 10015, 16024, 20030, 32048, 40060, 64096, 80120, 106159, 160240, 212318, 320480, 424636, 530795, 849272, 1061590, 1698544, 2123180, 3397088, 4246360, 8492720, 16985440]

約数ペア:

[(1, 16985440), (2, 8492720), (4, 4246360), (5, 3397088), (8, 2123180), (10, 1698544), (16, 1061590), (20, 849272), (32, 530795), (40, 424636), (53, 320480), (80, 212318), (106, 160240), (160, 106159), (212, 80120), (265, 64096), (424, 40060), (530, 32048), (848, 20030), (1060, 16024), (1696, 10015), (2003, 8480), (2120, 8012), (4006, 4240)]