2019790760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3884213}}^1$

素因数の和:3884237

約数の個数: 32

約数和(自身を含む): 4894109640

約数和(自身を除く): 2874318880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3884213, 7768426, 15536852, 19421065, 31073704, 38842130, 50494769, 77684260, 100989538, 155368520, 201979076, 252473845, 403958152, 504947690, 1009895380, 2019790760]

約数ペア:

[(1, 2019790760), (2, 1009895380), (4, 504947690), (5, 403958152), (8, 252473845), (10, 201979076), (13, 155368520), (20, 100989538), (26, 77684260), (40, 50494769), (52, 38842130), (65, 31073704), (104, 19421065), (130, 15536852), (260, 7768426), (520, 3884213)]