40409720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77711}}^1$

素因数の和:77735

約数の個数: 32

約数和(自身を含む): 97917120

約数和(自身を除く): 57507400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77711, 155422, 310844, 388555, 621688, 777110, 1010243, 1554220, 2020486, 3108440, 4040972, 5051215, 8081944, 10102430, 20204860, 40409720]

約数ペア:

[(1, 40409720), (2, 20204860), (4, 10102430), (5, 8081944), (8, 5051215), (10, 4040972), (13, 3108440), (20, 2020486), (26, 1554220), (40, 1010243), (52, 777110), (65, 621688), (104, 388555), (130, 310844), (260, 155422), (520, 77711)]