80857945

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:178

約数の個数: 48

約数和(自身を含む): 119403648

約数和(自身を除く): 38545703

約数列:

[1, 5, 7, 29, 35, 41, 67, 145, 203, 205, 287, 335, 469, 841, 1015, 1189, 1435, 1943, 2345, 2747, 4205, 5887, 5945, 8323, 9715, 13601, 13735, 19229, 29435, 34481, 41615, 56347, 68005, 79663, 96145, 172405, 241367, 281735, 394429, 398315, 557641, 1206835, 1972145, 2310227, 2788205, 11551135, 16171589, 80857945]

約数ペア:

[(1, 80857945), (5, 16171589), (7, 11551135), (29, 2788205), (35, 2310227), (41, 1972145), (67, 1206835), (145, 557641), (203, 398315), (205, 394429), (287, 281735), (335, 241367), (469, 172405), (841, 96145), (1015, 79663), (1189, 68005), (1435, 56347), (1943, 41615), (2345, 34481), (2747, 29435), (4205, 19229), (5887, 13735), (5945, 13601), (8323, 9715)]