40697920

素因数分解:

$2^6\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1429}}^1$

素因数の和:1535

約数の個数: 56

約数和(自身を含む): 98069400

約数和(自身を除く): 57371480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 160, 178, 320, 356, 445, 712, 890, 1424, 1429, 1780, 2848, 2858, 3560, 5696, 5716, 7120, 7145, 11432, 14240, 14290, 22864, 28480, 28580, 45728, 57160, 91456, 114320, 127181, 228640, 254362, 457280, 508724, 635905, 1017448, 1271810, 2034896, 2543620, 4069792, 5087240, 8139584, 10174480, 20348960, 40697920]

約数ペア:

[(1, 40697920), (2, 20348960), (4, 10174480), (5, 8139584), (8, 5087240), (10, 4069792), (16, 2543620), (20, 2034896), (32, 1271810), (40, 1017448), (64, 635905), (80, 508724), (89, 457280), (160, 254362), (178, 228640), (320, 127181), (356, 114320), (445, 91456), (712, 57160), (890, 45728), (1424, 28580), (1429, 28480), (1780, 22864), (2848, 14290), (2858, 14240), (3560, 11432), (5696, 7145), (5716, 7120)]