40576520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 96560640

約数和(自身を除く): 55984120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 761, 860, 1240, 1333, 1522, 1720, 2666, 3044, 3805, 5332, 6088, 6665, 7610, 10664, 13330, 15220, 23591, 26660, 30440, 32723, 47182, 53320, 65446, 94364, 117955, 130892, 163615, 188728, 235910, 261784, 327230, 471820, 654460, 943640, 1014413, 1308920, 2028826, 4057652, 5072065, 8115304, 10144130, 20288260, 40576520]

約数ペア:

[(1, 40576520), (2, 20288260), (4, 10144130), (5, 8115304), (8, 5072065), (10, 4057652), (20, 2028826), (31, 1308920), (40, 1014413), (43, 943640), (62, 654460), (86, 471820), (124, 327230), (155, 261784), (172, 235910), (215, 188728), (248, 163615), (310, 130892), (344, 117955), (430, 94364), (620, 65446), (761, 53320), (860, 47182), (1240, 32723), (1333, 30440), (1522, 26660), (1720, 23591), (2666, 15220), (3044, 13330), (3805, 10664), (5332, 7610), (6088, 6665)]