156942509620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{991}}^1\times {\mathrm{609107}}^1$

素因数の和:610120

約数の個数: 48

約数和(自身を含む): 355290259968

約数和(自身を除く): 198347750348

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 991, 1982, 3964, 4955, 9910, 12883, 19820, 25766, 51532, 64415, 128830, 257660, 609107, 1218214, 2436428, 3045535, 6091070, 7918391, 12182140, 15836782, 31673564, 39591955, 79183910, 158367820, 603625037, 1207250074, 2414500148, 3018125185, 6036250370, 7847125481, 12072500740, 15694250962, 31388501924, 39235627405, 78471254810, 156942509620]

約数ペア:

[(1, 156942509620), (2, 78471254810), (4, 39235627405), (5, 31388501924), (10, 15694250962), (13, 12072500740), (20, 7847125481), (26, 6036250370), (52, 3018125185), (65, 2414500148), (130, 1207250074), (260, 603625037), (991, 158367820), (1982, 79183910), (3964, 39591955), (4955, 31673564), (9910, 15836782), (12883, 12182140), (19820, 7918391), (25766, 6091070), (51532, 3045535), (64415, 2436428), (128830, 1218214), (257660, 609107)]