30567940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{1321}}^1$

素因数の和:1432

約数の個数: 48

約数和(自身を含む): 69960240

約数和(自身を除く): 39392300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 890, 1157, 1321, 1780, 2314, 2642, 4628, 5284, 5785, 6605, 11570, 13210, 17173, 23140, 26420, 34346, 68692, 85865, 117569, 171730, 235138, 343460, 470276, 587845, 1175690, 1528397, 2351380, 3056794, 6113588, 7641985, 15283970, 30567940]

約数ペア:

[(1, 30567940), (2, 15283970), (4, 7641985), (5, 6113588), (10, 3056794), (13, 2351380), (20, 1528397), (26, 1175690), (52, 587845), (65, 470276), (89, 343460), (130, 235138), (178, 171730), (260, 117569), (356, 85865), (445, 68692), (890, 34346), (1157, 26420), (1321, 23140), (1780, 17173), (2314, 13210), (2642, 11570), (4628, 6605), (5284, 5785)]