80533180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{44249}}^1$

素因数の和:44278

約数の個数: 48

約数和(自身を含む): 208152000

約数和(自身を除く): 127618820

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 44249, 88498, 176996, 221245, 309743, 442490, 575237, 619486, 884980, 1150474, 1238972, 1548715, 2300948, 2876185, 3097430, 4026659, 5752370, 6194860, 8053318, 11504740, 16106636, 20133295, 40266590, 80533180]

約数ペア:

[(1, 80533180), (2, 40266590), (4, 20133295), (5, 16106636), (7, 11504740), (10, 8053318), (13, 6194860), (14, 5752370), (20, 4026659), (26, 3097430), (28, 2876185), (35, 2300948), (52, 1548715), (65, 1238972), (70, 1150474), (91, 884980), (130, 619486), (140, 575237), (182, 442490), (260, 309743), (364, 221245), (455, 176996), (910, 88498), (1820, 44249)]