90994375

素因数分解:

$5^4\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1$

素因数の和:181

約数の個数: 40

約数和(自身を含む): 120448944

約数和(自身を除く): 29454569

約数列:

[1, 5, 25, 41, 53, 67, 125, 205, 265, 335, 625, 1025, 1325, 1675, 2173, 2747, 3551, 5125, 6625, 8375, 10865, 13735, 17755, 25625, 33125, 41875, 54325, 68675, 88775, 145591, 271625, 343375, 443875, 727955, 1358125, 1716875, 2219375, 3639775, 18198875, 90994375]

約数ペア:

[(1, 90994375), (5, 18198875), (25, 3639775), (41, 2219375), (53, 1716875), (67, 1358125), (125, 727955), (205, 443875), (265, 343375), (335, 271625), (625, 145591), (1025, 88775), (1325, 68675), (1675, 54325), (2173, 41875), (2747, 33125), (3551, 25625), (5125, 17755), (6625, 13735), (8375, 10865)]