15938780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5573}}^1$

素因数の和:5606

約数の個数: 48

約数和(自身を含む): 39330144

約数和(自身を除く): 23391364

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, 5573, 11146, 22292, 27865, 55730, 61303, 72449, 111460, 122606, 144898, 245212, 289796, 306515, 362245, 613030, 724490, 796939, 1226060, 1448980, 1593878, 3187756, 3984695, 7969390, 15938780]

約数ペア:

[(1, 15938780), (2, 7969390), (4, 3984695), (5, 3187756), (10, 1593878), (11, 1448980), (13, 1226060), (20, 796939), (22, 724490), (26, 613030), (44, 362245), (52, 306515), (55, 289796), (65, 245212), (110, 144898), (130, 122606), (143, 111460), (220, 72449), (260, 61303), (286, 55730), (572, 27865), (715, 22292), (1430, 11146), (2860, 5573)]