64809920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{28933}}^1$

素因数の和:28957

約数の個数: 56

約数和(自身を含む): 176381664

約数和(自身を除く): 111571744

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 448, 560, 1120, 2240, 28933, 57866, 115732, 144665, 202531, 231464, 289330, 405062, 462928, 578660, 810124, 925856, 1012655, 1157320, 1620248, 1851712, 2025310, 2314640, 3240496, 4050620, 4629280, 6480992, 8101240, 9258560, 12961984, 16202480, 32404960, 64809920]

約数ペア:

[(1, 64809920), (2, 32404960), (4, 16202480), (5, 12961984), (7, 9258560), (8, 8101240), (10, 6480992), (14, 4629280), (16, 4050620), (20, 3240496), (28, 2314640), (32, 2025310), (35, 1851712), (40, 1620248), (56, 1157320), (64, 1012655), (70, 925856), (80, 810124), (112, 578660), (140, 462928), (160, 405062), (224, 289330), (280, 231464), (320, 202531), (448, 144665), (560, 115732), (1120, 57866), (2240, 28933)]