51006540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{65393}}^1$

素因数の和:65418

約数の個数: 48

約数和(自身を含む): 153806688

約数和(自身を除く): 102800148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 65393, 130786, 196179, 261572, 326965, 392358, 653930, 784716, 850109, 980895, 1307860, 1700218, 1961790, 2550327, 3400436, 3923580, 4250545, 5100654, 8501090, 10201308, 12751635, 17002180, 25503270, 51006540]

約数ペア:

[(1, 51006540), (2, 25503270), (3, 17002180), (4, 12751635), (5, 10201308), (6, 8501090), (10, 5100654), (12, 4250545), (13, 3923580), (15, 3400436), (20, 2550327), (26, 1961790), (30, 1700218), (39, 1307860), (52, 980895), (60, 850109), (65, 784716), (78, 653930), (130, 392358), (156, 326965), (195, 261572), (260, 196179), (390, 130786), (780, 65393)]