16396520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1889}}^1$

素因数の和:1938

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 27149080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 434, 620, 868, 1085, 1240, 1736, 1889, 2170, 3778, 4340, 7556, 8680, 9445, 13223, 15112, 18890, 26446, 37780, 52892, 58559, 66115, 75560, 105784, 117118, 132230, 234236, 264460, 292795, 409913, 468472, 528920, 585590, 819826, 1171180, 1639652, 2049565, 2342360, 3279304, 4099130, 8198260, 16396520]

約数ペア:

[(1, 16396520), (2, 8198260), (4, 4099130), (5, 3279304), (7, 2342360), (8, 2049565), (10, 1639652), (14, 1171180), (20, 819826), (28, 585590), (31, 528920), (35, 468472), (40, 409913), (56, 292795), (62, 264460), (70, 234236), (124, 132230), (140, 117118), (155, 105784), (217, 75560), (248, 66115), (280, 58559), (310, 52892), (434, 37780), (620, 26446), (868, 18890), (1085, 15112), (1240, 13223), (1736, 9445), (1889, 8680), (2170, 7556), (3778, 4340)]