64901680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15307}}^1$

素因数の和:15373

約数の個数: 40

約数和(自身を含む): 153753552

約数和(自身を除く): 88851872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15307, 30614, 61228, 76535, 122456, 153070, 244912, 306140, 612280, 811271, 1224560, 1622542, 3245084, 4056355, 6490168, 8112710, 12980336, 16225420, 32450840, 64901680]

約数ペア:

[(1, 64901680), (2, 32450840), (4, 16225420), (5, 12980336), (8, 8112710), (10, 6490168), (16, 4056355), (20, 3245084), (40, 1622542), (53, 1224560), (80, 811271), (106, 612280), (212, 306140), (265, 244912), (424, 153070), (530, 122456), (848, 76535), (1060, 61228), (2120, 30614), (4240, 15307)]