28655778820

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{181}}^1\times {\mathrm{45757}}^1$

素因数の和:46120

約数の個数: 48

約数和(自身を含む): 60860702448

約数和(自身を除く): 32204923628

約数列:

[1, 2, 4, 5, 10, 20, 173, 181, 346, 362, 692, 724, 865, 905, 1730, 1810, 3460, 3620, 31313, 45757, 62626, 91514, 125252, 156565, 183028, 228785, 313130, 457570, 626260, 915140, 7915961, 8282017, 15831922, 16564034, 31663844, 33128068, 39579805, 41410085, 79159610, 82820170, 158319220, 165640340, 1432788941, 2865577882, 5731155764, 7163944705, 14327889410, 28655778820]

約数ペア:

[(1, 28655778820), (2, 14327889410), (4, 7163944705), (5, 5731155764), (10, 2865577882), (20, 1432788941), (173, 165640340), (181, 158319220), (346, 82820170), (362, 79159610), (692, 41410085), (724, 39579805), (865, 33128068), (905, 31663844), (1730, 16564034), (1810, 15831922), (3460, 8282017), (3620, 7915961), (31313, 915140), (45757, 626260), (62626, 457570), (91514, 313130), (125252, 228785), (156565, 183028)]