40591720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{311}}^1$

素因数の和:586

約数の個数: 64

約数和(自身を含む): 99066240

約数和(自身を除く): 58474520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 251, 260, 311, 502, 520, 622, 1004, 1244, 1255, 1555, 2008, 2488, 2510, 3110, 3263, 4043, 5020, 6220, 6526, 8086, 10040, 12440, 13052, 16172, 16315, 20215, 26104, 32344, 32630, 40430, 65260, 78061, 80860, 130520, 156122, 161720, 312244, 390305, 624488, 780610, 1014793, 1561220, 2029586, 3122440, 4059172, 5073965, 8118344, 10147930, 20295860, 40591720]

約数ペア:

[(1, 40591720), (2, 20295860), (4, 10147930), (5, 8118344), (8, 5073965), (10, 4059172), (13, 3122440), (20, 2029586), (26, 1561220), (40, 1014793), (52, 780610), (65, 624488), (104, 390305), (130, 312244), (251, 161720), (260, 156122), (311, 130520), (502, 80860), (520, 78061), (622, 65260), (1004, 40430), (1244, 32630), (1255, 32344), (1555, 26104), (2008, 20215), (2488, 16315), (2510, 16172), (3110, 13052), (3263, 12440), (4043, 10040), (5020, 8086), (6220, 6526)]