54812780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{3413}}^1$

素因数の和:3506

約数の個数: 48

約数和(自身を含む): 127328544

約数和(自身を除く): 72515764

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 73, 110, 146, 220, 292, 365, 730, 803, 1460, 1606, 3212, 3413, 4015, 6826, 8030, 13652, 16060, 17065, 34130, 37543, 68260, 75086, 150172, 187715, 249149, 375430, 498298, 750860, 996596, 1245745, 2491490, 2740639, 4982980, 5481278, 10962556, 13703195, 27406390, 54812780]

約数ペア:

[(1, 54812780), (2, 27406390), (4, 13703195), (5, 10962556), (10, 5481278), (11, 4982980), (20, 2740639), (22, 2491490), (44, 1245745), (55, 996596), (73, 750860), (110, 498298), (146, 375430), (220, 249149), (292, 187715), (365, 150172), (730, 75086), (803, 68260), (1460, 37543), (1606, 34130), (3212, 17065), (3413, 16060), (4015, 13652), (6826, 8030)]