202606820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{21061}}^1$

素因数の和:21120

約数の個数: 48

約数和(自身を含む): 470609328

約数和(自身を除く): 268002508

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 21061, 42122, 84244, 105305, 210610, 273793, 421220, 547586, 779257, 1095172, 1368965, 1558514, 2737930, 3117028, 3896285, 5475860, 7792570, 10130341, 15585140, 20260682, 40521364, 50651705, 101303410, 202606820]

約数ペア:

[(1, 202606820), (2, 101303410), (4, 50651705), (5, 40521364), (10, 20260682), (13, 15585140), (20, 10130341), (26, 7792570), (37, 5475860), (52, 3896285), (65, 3117028), (74, 2737930), (130, 1558514), (148, 1368965), (185, 1095172), (260, 779257), (370, 547586), (481, 421220), (740, 273793), (962, 210610), (1924, 105305), (2405, 84244), (4810, 42122), (9620, 21061)]