20142125440

素因数分解:

$2^7\times 5^1\times {\mathrm{4073}}^1\times {\mathrm{7727}}^1$

素因数の和:11819

約数の個数: 64

約数和(自身を含む): 48170324160

約数和(自身を除く): 28028198720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 4073, 7727, 8146, 15454, 16292, 20365, 30908, 32584, 38635, 40730, 61816, 65168, 77270, 81460, 123632, 130336, 154540, 162920, 247264, 260672, 309080, 325840, 494528, 521344, 618160, 651680, 989056, 1236320, 1303360, 2472640, 2606720, 4945280, 31472071, 62944142, 125888284, 157360355, 251776568, 314720710, 503553136, 629441420, 1007106272, 1258882840, 2014212544, 2517765680, 4028425088, 5035531360, 10071062720, 20142125440]

約数ペア:

[(1, 20142125440), (2, 10071062720), (4, 5035531360), (5, 4028425088), (8, 2517765680), (10, 2014212544), (16, 1258882840), (20, 1007106272), (32, 629441420), (40, 503553136), (64, 314720710), (80, 251776568), (128, 157360355), (160, 125888284), (320, 62944142), (640, 31472071), (4073, 4945280), (7727, 2606720), (8146, 2472640), (15454, 1303360), (16292, 1236320), (20365, 989056), (30908, 651680), (32584, 618160), (38635, 521344), (40730, 494528), (61816, 325840), (65168, 309080), (77270, 260672), (81460, 247264), (123632, 162920), (130336, 154540)]