135491980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{8543}}^1$

素因数の和:8626

約数の個数: 48

約数和(自身を含む): 311480064

約数和(自身を除く): 175988084

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 61, 65, 122, 130, 244, 260, 305, 610, 793, 1220, 1586, 3172, 3965, 7930, 8543, 15860, 17086, 34172, 42715, 85430, 111059, 170860, 222118, 444236, 521123, 555295, 1042246, 1110590, 2084492, 2221180, 2605615, 5211230, 6774599, 10422460, 13549198, 27098396, 33872995, 67745990, 135491980]

約数ペア:

[(1, 135491980), (2, 67745990), (4, 33872995), (5, 27098396), (10, 13549198), (13, 10422460), (20, 6774599), (26, 5211230), (52, 2605615), (61, 2221180), (65, 2084492), (122, 1110590), (130, 1042246), (244, 555295), (260, 521123), (305, 444236), (610, 222118), (793, 170860), (1220, 111059), (1586, 85430), (3172, 42715), (3965, 34172), (7930, 17086), (8543, 15860)]