28774480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{51383}}^1$

素因数の和:51403

約数の個数: 40

約数和(自身を含む): 76459392

約数和(自身を除く): 47684912

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 51383, 102766, 205532, 256915, 359681, 411064, 513830, 719362, 822128, 1027660, 1438724, 1798405, 2055320, 2877448, 3596810, 4110640, 5754896, 7193620, 14387240, 28774480]

約数ペア:

[(1, 28774480), (2, 14387240), (4, 7193620), (5, 5754896), (7, 4110640), (8, 3596810), (10, 2877448), (14, 2055320), (16, 1798405), (20, 1438724), (28, 1027660), (35, 822128), (40, 719362), (56, 513830), (70, 411064), (80, 359681), (112, 256915), (140, 205532), (280, 102766), (560, 51383)]