63831875

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:161

約数の個数: 40

約数和(自身を含む): 85022784

約数和(自身を除く): 21190909

約数列:

[1, 5, 25, 41, 47, 53, 125, 205, 235, 265, 625, 1025, 1175, 1325, 1927, 2173, 2491, 5125, 5875, 6625, 9635, 10865, 12455, 25625, 29375, 33125, 48175, 54325, 62275, 102131, 240875, 271625, 311375, 510655, 1204375, 1358125, 1556875, 2553275, 12766375, 63831875]

約数ペア:

[(1, 63831875), (5, 12766375), (25, 2553275), (41, 1556875), (47, 1358125), (53, 1204375), (125, 510655), (205, 311375), (235, 271625), (265, 240875), (625, 102131), (1025, 62275), (1175, 54325), (1325, 48175), (1927, 33125), (2173, 29375), (2491, 25625), (5125, 12455), (5875, 10865), (6625, 9635)]