55142620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{2383}}^1$

素因数の和:2494

約数の個数: 48

約数和(自身を含む): 126161280

約数和(自身を除く): 71018660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1780, 2314, 2383, 4628, 4766, 5785, 9532, 11570, 11915, 23140, 23830, 30979, 47660, 61958, 123916, 154895, 212087, 309790, 424174, 619580, 848348, 1060435, 2120870, 2757131, 4241740, 5514262, 11028524, 13785655, 27571310, 55142620]

約数ペア:

[(1, 55142620), (2, 27571310), (4, 13785655), (5, 11028524), (10, 5514262), (13, 4241740), (20, 2757131), (26, 2120870), (52, 1060435), (65, 848348), (89, 619580), (130, 424174), (178, 309790), (260, 212087), (356, 154895), (445, 123916), (890, 61958), (1157, 47660), (1780, 30979), (2314, 23830), (2383, 23140), (4628, 11915), (4766, 11570), (5785, 9532)]