4430920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8521}}^1$

素因数の和:8545

約数の個数: 32

約数和(自身を含む): 10737720

約数和(自身を除く): 6306800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 8521, 17042, 34084, 42605, 68168, 85210, 110773, 170420, 221546, 340840, 443092, 553865, 886184, 1107730, 2215460, 4430920]

約数ペア:

[(1, 4430920), (2, 2215460), (4, 1107730), (5, 886184), (8, 553865), (10, 443092), (13, 340840), (20, 221546), (26, 170420), (40, 110773), (52, 85210), (65, 68168), (104, 42605), (130, 34084), (260, 17042), (520, 8521)]