37780520

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:386

約数の個数: 64

約数和(自身を含む): 88179840

約数和(自身を除く): 50399320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 71, 106, 142, 212, 251, 265, 284, 355, 424, 502, 530, 568, 710, 1004, 1060, 1255, 1420, 2008, 2120, 2510, 2840, 3763, 5020, 7526, 10040, 13303, 15052, 17821, 18815, 26606, 30104, 35642, 37630, 53212, 66515, 71284, 75260, 89105, 106424, 133030, 142568, 150520, 178210, 266060, 356420, 532120, 712840, 944513, 1889026, 3778052, 4722565, 7556104, 9445130, 18890260, 37780520]

約数ペア:

[(1, 37780520), (2, 18890260), (4, 9445130), (5, 7556104), (8, 4722565), (10, 3778052), (20, 1889026), (40, 944513), (53, 712840), (71, 532120), (106, 356420), (142, 266060), (212, 178210), (251, 150520), (265, 142568), (284, 133030), (355, 106424), (424, 89105), (502, 75260), (530, 71284), (568, 66515), (710, 53212), (1004, 37630), (1060, 35642), (1255, 30104), (1420, 26606), (2008, 18815), (2120, 17821), (2510, 15052), (2840, 13303), (3763, 10040), (5020, 7526)]