55640260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1237}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 126662256

約数和(自身を除く): 71021996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 173, 260, 346, 692, 865, 1237, 1730, 2249, 2474, 3460, 4498, 4948, 6185, 8996, 11245, 12370, 16081, 22490, 24740, 32162, 44980, 64324, 80405, 160810, 214001, 321620, 428002, 856004, 1070005, 2140010, 2782013, 4280020, 5564026, 11128052, 13910065, 27820130, 55640260]

約数ペア:

[(1, 55640260), (2, 27820130), (4, 13910065), (5, 11128052), (10, 5564026), (13, 4280020), (20, 2782013), (26, 2140010), (52, 1070005), (65, 856004), (130, 428002), (173, 321620), (260, 214001), (346, 160810), (692, 80405), (865, 64324), (1237, 44980), (1730, 32162), (2249, 24740), (2474, 22490), (3460, 16081), (4498, 12370), (4948, 11245), (6185, 8996)]