40456000

素因数分解:

$2^6\times 5^3\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:429

約数の個数: 112

約数和(自身を含む): 108173520

約数和(自身を除く): 67717520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 32, 40, 50, 52, 64, 65, 80, 100, 104, 125, 130, 160, 200, 208, 250, 260, 320, 325, 389, 400, 416, 500, 520, 650, 778, 800, 832, 1000, 1040, 1300, 1556, 1600, 1625, 1945, 2000, 2080, 2600, 3112, 3250, 3890, 4000, 4160, 5057, 5200, 6224, 6500, 7780, 8000, 9725, 10114, 10400, 12448, 13000, 15560, 19450, 20228, 20800, 24896, 25285, 26000, 31120, 38900, 40456, 48625, 50570, 52000, 62240, 77800, 80912, 97250, 101140, 104000, 124480, 126425, 155600, 161824, 194500, 202280, 252850, 311200, 323648, 389000, 404560, 505700, 622400, 632125, 778000, 809120, 1011400, 1264250, 1556000, 1618240, 2022800, 2528500, 3112000, 4045600, 5057000, 8091200, 10114000, 20228000, 40456000]

約数ペア:

[(1, 40456000), (2, 20228000), (4, 10114000), (5, 8091200), (8, 5057000), (10, 4045600), (13, 3112000), (16, 2528500), (20, 2022800), (25, 1618240), (26, 1556000), (32, 1264250), (40, 1011400), (50, 809120), (52, 778000), (64, 632125), (65, 622400), (80, 505700), (100, 404560), (104, 389000), (125, 323648), (130, 311200), (160, 252850), (200, 202280), (208, 194500), (250, 161824), (260, 155600), (320, 126425), (325, 124480), (389, 104000), (400, 101140), (416, 97250), (500, 80912), (520, 77800), (650, 62240), (778, 52000), (800, 50570), (832, 48625), (1000, 40456), (1040, 38900), (1300, 31120), (1556, 26000), (1600, 25285), (1625, 24896), (1945, 20800), (2000, 20228), (2080, 19450), (2600, 15560), (3112, 13000), (3250, 12448), (3890, 10400), (4000, 10114), (4160, 9725), (5057, 8000), (5200, 7780), (6224, 6500)]