80571875

素因数分解:

$5^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 112492800

約数和(自身を除く): 31920925

約数列:

[1, 5, 19, 23, 25, 59, 95, 115, 125, 295, 437, 475, 575, 625, 1121, 1357, 1475, 2185, 2375, 2875, 3125, 5605, 6785, 7375, 10925, 11875, 14375, 25783, 28025, 33925, 36875, 54625, 59375, 71875, 128915, 140125, 169625, 184375, 273125, 644575, 700625, 848125, 1365625, 3222875, 3503125, 4240625, 16114375, 80571875]

約数ペア:

[(1, 80571875), (5, 16114375), (19, 4240625), (23, 3503125), (25, 3222875), (59, 1365625), (95, 848125), (115, 700625), (125, 644575), (295, 273125), (437, 184375), (475, 169625), (575, 140125), (625, 128915), (1121, 71875), (1357, 59375), (1475, 54625), (2185, 36875), (2375, 33925), (2875, 28025), (3125, 25783), (5605, 14375), (6785, 11875), (7375, 10925)]