28912000

素因数分解:

$2^7\times 5^3\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 77968800

約数和(自身を除く): 49056800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 128, 130, 139, 160, 200, 208, 250, 260, 278, 320, 325, 400, 416, 500, 520, 556, 640, 650, 695, 800, 832, 1000, 1040, 1112, 1300, 1390, 1600, 1625, 1664, 1807, 2000, 2080, 2224, 2600, 2780, 3200, 3250, 3475, 3614, 4000, 4160, 4448, 5200, 5560, 6500, 6950, 7228, 8000, 8320, 8896, 9035, 10400, 11120, 13000, 13900, 14456, 16000, 17375, 17792, 18070, 20800, 22240, 26000, 27800, 28912, 34750, 36140, 41600, 44480, 45175, 52000, 55600, 57824, 69500, 72280, 88960, 90350, 104000, 111200, 115648, 139000, 144560, 180700, 208000, 222400, 225875, 231296, 278000, 289120, 361400, 444800, 451750, 556000, 578240, 722800, 903500, 1112000, 1156480, 1445600, 1807000, 2224000, 2891200, 3614000, 5782400, 7228000, 14456000, 28912000]

約数ペア:

[(1, 28912000), (2, 14456000), (4, 7228000), (5, 5782400), (8, 3614000), (10, 2891200), (13, 2224000), (16, 1807000), (20, 1445600), (25, 1156480), (26, 1112000), (32, 903500), (40, 722800), (50, 578240), (52, 556000), (64, 451750), (65, 444800), (80, 361400), (100, 289120), (104, 278000), (125, 231296), (128, 225875), (130, 222400), (139, 208000), (160, 180700), (200, 144560), (208, 139000), (250, 115648), (260, 111200), (278, 104000), (320, 90350), (325, 88960), (400, 72280), (416, 69500), (500, 57824), (520, 55600), (556, 52000), (640, 45175), (650, 44480), (695, 41600), (800, 36140), (832, 34750), (1000, 28912), (1040, 27800), (1112, 26000), (1300, 22240), (1390, 20800), (1600, 18070), (1625, 17792), (1664, 17375), (1807, 16000), (2000, 14456), (2080, 13900), (2224, 13000), (2600, 11120), (2780, 10400), (3200, 9035), (3250, 8896), (3475, 8320), (3614, 8000), (4000, 7228), (4160, 6950), (4448, 6500), (5200, 5560)]