3911440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3761}}^1$

素因数の和:3787

約数の個数: 40

約数和(自身を含む): 9796248

約数和(自身を除く): 5884808

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 3761, 7522, 15044, 18805, 30088, 37610, 48893, 60176, 75220, 97786, 150440, 195572, 244465, 300880, 391144, 488930, 782288, 977860, 1955720, 3911440]

約数ペア:

[(1, 3911440), (2, 1955720), (4, 977860), (5, 782288), (8, 488930), (10, 391144), (13, 300880), (16, 244465), (20, 195572), (26, 150440), (40, 97786), (52, 75220), (65, 60176), (80, 48893), (104, 37610), (130, 30088), (208, 18805), (260, 15044), (520, 7522), (1040, 3761)]