40380700

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:487

約数の個数: 72

約数和(自身を含む): 94212720

約数和(自身を除く): 53832020

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 53, 76, 95, 100, 106, 190, 212, 265, 380, 401, 475, 530, 802, 950, 1007, 1060, 1325, 1604, 1900, 2005, 2014, 2650, 4010, 4028, 5035, 5300, 7619, 8020, 10025, 10070, 15238, 20050, 20140, 21253, 25175, 30476, 38095, 40100, 42506, 50350, 76190, 85012, 100700, 106265, 152380, 190475, 212530, 380950, 403807, 425060, 531325, 761900, 807614, 1062650, 1615228, 2019035, 2125300, 4038070, 8076140, 10095175, 20190350, 40380700]

約数ペア:

[(1, 40380700), (2, 20190350), (4, 10095175), (5, 8076140), (10, 4038070), (19, 2125300), (20, 2019035), (25, 1615228), (38, 1062650), (50, 807614), (53, 761900), (76, 531325), (95, 425060), (100, 403807), (106, 380950), (190, 212530), (212, 190475), (265, 152380), (380, 106265), (401, 100700), (475, 85012), (530, 76190), (802, 50350), (950, 42506), (1007, 40100), (1060, 38095), (1325, 30476), (1604, 25175), (1900, 21253), (2005, 20140), (2014, 20050), (2650, 15238), (4010, 10070), (4028, 10025), (5035, 8020), (5300, 7619)]