81220130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{1951}}^1$

素因数の和:2162

約数の個数: 32

約数和(自身を含む): 153474048

約数和(自身を除く): 72253918

約数列:

[1, 2, 5, 10, 23, 46, 115, 181, 230, 362, 905, 1810, 1951, 3902, 4163, 8326, 9755, 19510, 20815, 41630, 44873, 89746, 224365, 353131, 448730, 706262, 1765655, 3531310, 8122013, 16244026, 40610065, 81220130]

約数ペア:

[(1, 81220130), (2, 40610065), (5, 16244026), (10, 8122013), (23, 3531310), (46, 1765655), (115, 706262), (181, 448730), (230, 353131), (362, 224365), (905, 89746), (1810, 44873), (1951, 41630), (3902, 20815), (4163, 19510), (8326, 9755)]