28683460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{110321}}^1$

素因数の和:110343

約数の個数: 24

約数和(自身を含む): 64869336

約数和(自身を除く): 36185876

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 110321, 220642, 441284, 551605, 1103210, 1434173, 2206420, 2868346, 5736692, 7170865, 14341730, 28683460]

約数ペア:

[(1, 28683460), (2, 14341730), (4, 7170865), (5, 5736692), (10, 2868346), (13, 2206420), (20, 1434173), (26, 1103210), (52, 551605), (65, 441284), (130, 220642), (260, 110321)]