144438320

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{138883}}^1$

素因数の和:138909

約数の個数: 40

約数和(自身を含む): 361653936

約数和(自身を除く): 217215616

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 138883, 277766, 555532, 694415, 1111064, 1388830, 1805479, 2222128, 2777660, 3610958, 5555320, 7221916, 9027395, 11110640, 14443832, 18054790, 28887664, 36109580, 72219160, 144438320]

約数ペア:

[(1, 144438320), (2, 72219160), (4, 36109580), (5, 28887664), (8, 18054790), (10, 14443832), (13, 11110640), (16, 9027395), (20, 7221916), (26, 5555320), (40, 3610958), (52, 2777660), (65, 2222128), (80, 1805479), (104, 1388830), (130, 1111064), (208, 694415), (260, 555532), (520, 277766), (1040, 138883)]