72397840

素因数分解:

$2^4\times 5^1\times {\mathrm{167}}^1\times {\mathrm{5419}}^1$

素因数の和:5599

約数の個数: 40

約数和(自身を含む): 169364160

約数和(自身を除く): 96966320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 167, 334, 668, 835, 1336, 1670, 2672, 3340, 5419, 6680, 10838, 13360, 21676, 27095, 43352, 54190, 86704, 108380, 216760, 433520, 904973, 1809946, 3619892, 4524865, 7239784, 9049730, 14479568, 18099460, 36198920, 72397840]

約数ペア:

[(1, 72397840), (2, 36198920), (4, 18099460), (5, 14479568), (8, 9049730), (10, 7239784), (16, 4524865), (20, 3619892), (40, 1809946), (80, 904973), (167, 433520), (334, 216760), (668, 108380), (835, 86704), (1336, 54190), (1670, 43352), (2672, 27095), (3340, 21676), (5419, 13360), (6680, 10838)]