20145358640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1091}}^1\times {\mathrm{20983}}^1$

素因数の和:22098

約数の個数: 80

約数和(自身を含む): 51145226496

約数和(自身を除く): 30999867856

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 1091, 2182, 4364, 5455, 8728, 10910, 12001, 17456, 20983, 21820, 24002, 41966, 43640, 48004, 60005, 83932, 87280, 96008, 104915, 120010, 167864, 192016, 209830, 230813, 240020, 335728, 419660, 461626, 480040, 839320, 923252, 960080, 1154065, 1678640, 1846504, 2308130, 3693008, 4616260, 9232520, 18465040, 22892453, 45784906, 91569812, 114462265, 183139624, 228924530, 251816983, 366279248, 457849060, 503633966, 915698120, 1007267932, 1259084915, 1831396240, 2014535864, 2518169830, 4029071728, 5036339660, 10072679320, 20145358640]

約数ペア:

[(1, 20145358640), (2, 10072679320), (4, 5036339660), (5, 4029071728), (8, 2518169830), (10, 2014535864), (11, 1831396240), (16, 1259084915), (20, 1007267932), (22, 915698120), (40, 503633966), (44, 457849060), (55, 366279248), (80, 251816983), (88, 228924530), (110, 183139624), (176, 114462265), (220, 91569812), (440, 45784906), (880, 22892453), (1091, 18465040), (2182, 9232520), (4364, 4616260), (5455, 3693008), (8728, 2308130), (10910, 1846504), (12001, 1678640), (17456, 1154065), (20983, 960080), (21820, 923252), (24002, 839320), (41966, 480040), (43640, 461626), (48004, 419660), (60005, 335728), (83932, 240020), (87280, 230813), (96008, 209830), (104915, 192016), (120010, 167864)]