55210220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12491}}^1$

素因数の和:12530

約数の個数: 48

約数和(自身を含む): 132215328

約数和(自身を除く): 77005108

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 12491, 24982, 49964, 62455, 124910, 162383, 212347, 249820, 324766, 424694, 649532, 811915, 849388, 1061735, 1623830, 2123470, 2760511, 3247660, 4246940, 5521022, 11042044, 13802555, 27605110, 55210220]

約数ペア:

[(1, 55210220), (2, 27605110), (4, 13802555), (5, 11042044), (10, 5521022), (13, 4246940), (17, 3247660), (20, 2760511), (26, 2123470), (34, 1623830), (52, 1061735), (65, 849388), (68, 811915), (85, 649532), (130, 424694), (170, 324766), (221, 249820), (260, 212347), (340, 162383), (442, 124910), (884, 62455), (1105, 49964), (2210, 24982), (4420, 12491)]