71256380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5171}}^1$

素因数の和:5246

約数の個数: 48

約数和(自身を含む): 164221344

約数和(自身を除く): 92964964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 53, 65, 106, 130, 212, 260, 265, 530, 689, 1060, 1378, 2756, 3445, 5171, 6890, 10342, 13780, 20684, 25855, 51710, 67223, 103420, 134446, 268892, 274063, 336115, 548126, 672230, 1096252, 1344460, 1370315, 2740630, 3562819, 5481260, 7125638, 14251276, 17814095, 35628190, 71256380]

約数ペア:

[(1, 71256380), (2, 35628190), (4, 17814095), (5, 14251276), (10, 7125638), (13, 5481260), (20, 3562819), (26, 2740630), (52, 1370315), (53, 1344460), (65, 1096252), (106, 672230), (130, 548126), (212, 336115), (260, 274063), (265, 268892), (530, 134446), (689, 103420), (1060, 67223), (1378, 51710), (2756, 25855), (3445, 20684), (5171, 13780), (6890, 10342)]