5218980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6691}}^1$

素因数の和:6716

約数の個数: 48

約数和(自身を含む): 15739584

約数和(自身を除く): 10520604

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 6691, 13382, 20073, 26764, 33455, 40146, 66910, 80292, 86983, 100365, 133820, 173966, 200730, 260949, 347932, 401460, 434915, 521898, 869830, 1043796, 1304745, 1739660, 2609490, 5218980]

約数ペア:

[(1, 5218980), (2, 2609490), (3, 1739660), (4, 1304745), (5, 1043796), (6, 869830), (10, 521898), (12, 434915), (13, 401460), (15, 347932), (20, 260949), (26, 200730), (30, 173966), (39, 133820), (52, 100365), (60, 86983), (65, 80292), (78, 66910), (130, 40146), (156, 33455), (195, 26764), (260, 20073), (390, 13382), (780, 6691)]