16053820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:438

約数の個数: 48

約数和(自身を含む): 35380800

約数和(自身を除く): 19326980

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 89, 116, 145, 178, 290, 311, 356, 445, 580, 622, 890, 1244, 1555, 1780, 2581, 3110, 5162, 6220, 9019, 10324, 12905, 18038, 25810, 27679, 36076, 45095, 51620, 55358, 90190, 110716, 138395, 180380, 276790, 553580, 802691, 1605382, 3210764, 4013455, 8026910, 16053820]

約数ペア:

[(1, 16053820), (2, 8026910), (4, 4013455), (5, 3210764), (10, 1605382), (20, 802691), (29, 553580), (58, 276790), (89, 180380), (116, 138395), (145, 110716), (178, 90190), (290, 55358), (311, 51620), (356, 45095), (445, 36076), (580, 27679), (622, 25810), (890, 18038), (1244, 12905), (1555, 10324), (1780, 9019), (2581, 6220), (3110, 5162)]