55856840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{659}}^1$

素因数の和:846

約数の個数: 64

約数和(自身を含む): 136382400

約数和(自身を除く): 80525560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 163, 260, 326, 520, 652, 659, 815, 1304, 1318, 1630, 2119, 2636, 3260, 3295, 4238, 5272, 6520, 6590, 8476, 8567, 10595, 13180, 16952, 17134, 21190, 26360, 34268, 42380, 42835, 68536, 84760, 85670, 107417, 171340, 214834, 342680, 429668, 537085, 859336, 1074170, 1396421, 2148340, 2792842, 4296680, 5585684, 6982105, 11171368, 13964210, 27928420, 55856840]

約数ペア:

[(1, 55856840), (2, 27928420), (4, 13964210), (5, 11171368), (8, 6982105), (10, 5585684), (13, 4296680), (20, 2792842), (26, 2148340), (40, 1396421), (52, 1074170), (65, 859336), (104, 537085), (130, 429668), (163, 342680), (260, 214834), (326, 171340), (520, 107417), (652, 85670), (659, 84760), (815, 68536), (1304, 42835), (1318, 42380), (1630, 34268), (2119, 26360), (2636, 21190), (3260, 17134), (3295, 16952), (4238, 13180), (5272, 10595), (6520, 8567), (6590, 8476)]