1309890875

素因数分解:

$5^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{6197}}^1$

素因数の和:6320

約数の個数: 32

約数和(自身を含む): 1740398400

約数和(自身を除く): 430507525

約数列:

[1, 5, 19, 25, 89, 95, 125, 445, 475, 1691, 2225, 2375, 6197, 8455, 11125, 30985, 42275, 117743, 154925, 211375, 551533, 588715, 774625, 2757665, 2943575, 10479127, 13788325, 14717875, 52395635, 68941625, 261978175, 1309890875]

約数ペア:

[(1, 1309890875), (5, 261978175), (19, 68941625), (25, 52395635), (89, 14717875), (95, 13788325), (125, 10479127), (445, 2943575), (475, 2757665), (1691, 774625), (2225, 588715), (2375, 551533), (6197, 211375), (8455, 154925), (11125, 117743), (30985, 42275)]