80362975

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{383}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 125706240

約数和(自身を除く): 45343265

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 109, 175, 275, 383, 385, 545, 763, 1199, 1915, 1925, 2681, 2725, 3815, 4213, 5995, 8393, 9575, 13405, 19075, 21065, 29491, 29975, 41747, 41965, 67025, 105325, 147455, 208735, 209825, 292229, 459217, 737275, 1043675, 1461145, 2296085, 3214519, 7305725, 11480425, 16072595, 80362975]

約数ペア:

[(1, 80362975), (5, 16072595), (7, 11480425), (11, 7305725), (25, 3214519), (35, 2296085), (55, 1461145), (77, 1043675), (109, 737275), (175, 459217), (275, 292229), (383, 209825), (385, 208735), (545, 147455), (763, 105325), (1199, 67025), (1915, 41965), (1925, 41747), (2681, 29975), (2725, 29491), (3815, 21065), (4213, 19075), (5995, 13405), (8393, 9575)]