2004865460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{17891}}^1$

素因数の和:18344

約数の個数: 48

約数和(自身を含む): 4544854272

約数和(自身を除く): 2539988812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 431, 862, 1724, 2155, 4310, 5603, 8620, 11206, 17891, 22412, 28015, 35782, 56030, 71564, 89455, 112060, 178910, 232583, 357820, 465166, 930332, 1162915, 2325830, 4651660, 7711021, 15422042, 30844084, 38555105, 77110210, 100243273, 154220420, 200486546, 400973092, 501216365, 1002432730, 2004865460]

約数ペア:

[(1, 2004865460), (2, 1002432730), (4, 501216365), (5, 400973092), (10, 200486546), (13, 154220420), (20, 100243273), (26, 77110210), (52, 38555105), (65, 30844084), (130, 15422042), (260, 7711021), (431, 4651660), (862, 2325830), (1724, 1162915), (2155, 930332), (4310, 465166), (5603, 357820), (8620, 232583), (11206, 178910), (17891, 112060), (22412, 89455), (28015, 71564), (35782, 56030)]