72353440

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{5081}}^1$

素因数の和:5185

約数の個数: 48

約数和(自身を含む): 172889640

約数和(自身を除く): 100536200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1424, 1780, 2848, 3560, 5081, 7120, 10162, 14240, 20324, 25405, 40648, 50810, 81296, 101620, 162592, 203240, 406480, 452209, 812960, 904418, 1808836, 2261045, 3617672, 4522090, 7235344, 9044180, 14470688, 18088360, 36176720, 72353440]

約数ペア:

[(1, 72353440), (2, 36176720), (4, 18088360), (5, 14470688), (8, 9044180), (10, 7235344), (16, 4522090), (20, 3617672), (32, 2261045), (40, 1808836), (80, 904418), (89, 812960), (160, 452209), (178, 406480), (356, 203240), (445, 162592), (712, 101620), (890, 81296), (1424, 50810), (1780, 40648), (2848, 25405), (3560, 20324), (5081, 14240), (7120, 10162)]