20154001075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{14533}}^1$

素因数の和:14824

約数の個数: 48

約数和(自身を含む): 28611981216

約数和(自身を除く): 8457980141

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 251, 325, 425, 1105, 1255, 3263, 4267, 5525, 6275, 14533, 16315, 21335, 55471, 72665, 81575, 106675, 188929, 247061, 277355, 363325, 944645, 1235305, 1386775, 3211793, 3647783, 4723225, 6176525, 16058965, 18238915, 47421179, 62012311, 80294825, 91194575, 237105895, 310061555, 806160043, 1185529475, 1550307775, 4030800215, 20154001075]

約数ペア:

[(1, 20154001075), (5, 4030800215), (13, 1550307775), (17, 1185529475), (25, 806160043), (65, 310061555), (85, 237105895), (221, 91194575), (251, 80294825), (325, 62012311), (425, 47421179), (1105, 18238915), (1255, 16058965), (3263, 6176525), (4267, 4723225), (5525, 3647783), (6275, 3211793), (14533, 1386775), (16315, 1235305), (21335, 944645), (55471, 363325), (72665, 277355), (81575, 247061), (106675, 188929)]