42128060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{521}}^1$

素因数の和:854

約数の個数: 48

約数和(自身を含む): 95764032

約数和(自身を除く): 53635972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 521, 622, 1042, 1244, 1555, 2084, 2605, 3110, 4043, 5210, 6220, 6773, 8086, 10420, 13546, 16172, 20215, 27092, 33865, 40430, 67730, 80860, 135460, 162031, 324062, 648124, 810155, 1620310, 2106403, 3240620, 4212806, 8425612, 10532015, 21064030, 42128060]

約数ペア:

[(1, 42128060), (2, 21064030), (4, 10532015), (5, 8425612), (10, 4212806), (13, 3240620), (20, 2106403), (26, 1620310), (52, 810155), (65, 648124), (130, 324062), (260, 162031), (311, 135460), (521, 80860), (622, 67730), (1042, 40430), (1244, 33865), (1555, 27092), (2084, 20215), (2605, 16172), (3110, 13546), (4043, 10420), (5210, 8086), (6220, 6773)]