27578980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9643}}^1$

素因数の和:9676

約数の個数: 48

約数和(自身を含む): 68048064

約数和(自身を除く): 40469084

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 9643, 19286, 38572, 48215, 96430, 106073, 125359, 192860, 212146, 250718, 424292, 501436, 530365, 626795, 1060730, 1253590, 1378949, 2121460, 2507180, 2757898, 5515796, 6894745, 13789490, 27578980]

約数ペア:

[(1, 27578980), (2, 13789490), (4, 6894745), (5, 5515796), (10, 2757898), (11, 2507180), (13, 2121460), (20, 1378949), (22, 1253590), (26, 1060730), (44, 626795), (52, 530365), (55, 501436), (65, 424292), (110, 250718), (130, 212146), (143, 192860), (220, 125359), (260, 106073), (286, 96430), (572, 48215), (715, 38572), (1430, 19286), (2860, 9643)]