80779660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{3203}}^1$

素因数の和:3322

約数の個数: 48

約数和(自身を含む): 184627296

約数和(自身を除く): 103847636

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 97, 130, 194, 260, 388, 485, 970, 1261, 1940, 2522, 3203, 5044, 6305, 6406, 12610, 12812, 16015, 25220, 32030, 41639, 64060, 83278, 166556, 208195, 310691, 416390, 621382, 832780, 1242764, 1553455, 3106910, 4038983, 6213820, 8077966, 16155932, 20194915, 40389830, 80779660]

約数ペア:

[(1, 80779660), (2, 40389830), (4, 20194915), (5, 16155932), (10, 8077966), (13, 6213820), (20, 4038983), (26, 3106910), (52, 1553455), (65, 1242764), (97, 832780), (130, 621382), (194, 416390), (260, 310691), (388, 208195), (485, 166556), (970, 83278), (1261, 64060), (1940, 41639), (2522, 32030), (3203, 25220), (5044, 16015), (6305, 12812), (6406, 12610)]