164703183940

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{811}}^1\times {\mathrm{39511}}^1$

素因数の和:40588

約数の個数: 48

約数和(自身を含む): 347659449984

約数和(自身を除く): 182956266044

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 811, 1028, 1285, 1622, 2570, 3244, 4055, 5140, 8110, 16220, 39511, 79022, 158044, 197555, 208427, 395110, 416854, 790220, 833708, 1042135, 2084270, 4168540, 10154327, 20308654, 32043421, 40617308, 50771635, 64086842, 101543270, 128173684, 160217105, 203086540, 320434210, 640868420, 8235159197, 16470318394, 32940636788, 41175795985, 82351591970, 164703183940]

約数ペア:

[(1, 164703183940), (2, 82351591970), (4, 41175795985), (5, 32940636788), (10, 16470318394), (20, 8235159197), (257, 640868420), (514, 320434210), (811, 203086540), (1028, 160217105), (1285, 128173684), (1622, 101543270), (2570, 64086842), (3244, 50771635), (4055, 40617308), (5140, 32043421), (8110, 20308654), (16220, 10154327), (39511, 4168540), (79022, 2084270), (158044, 1042135), (197555, 833708), (208427, 790220), (395110, 416854)]