40490880

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{21089}}^1$

素因数の和:21111

約数の個数: 64

約数和(自身を含む): 129070800

約数和(自身を除く): 88579920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 21089, 42178, 63267, 84356, 105445, 126534, 168712, 210890, 253068, 316335, 337424, 421780, 506136, 632670, 674848, 843560, 1012272, 1265340, 1349696, 1687120, 2024544, 2530680, 2699392, 3374240, 4049088, 5061360, 6748480, 8098176, 10122720, 13496960, 20245440, 40490880]

約数ペア:

[(1, 40490880), (2, 20245440), (3, 13496960), (4, 10122720), (5, 8098176), (6, 6748480), (8, 5061360), (10, 4049088), (12, 3374240), (15, 2699392), (16, 2530680), (20, 2024544), (24, 1687120), (30, 1349696), (32, 1265340), (40, 1012272), (48, 843560), (60, 674848), (64, 632670), (80, 506136), (96, 421780), (120, 337424), (128, 316335), (160, 253068), (192, 210890), (240, 168712), (320, 126534), (384, 105445), (480, 84356), (640, 63267), (960, 42178), (1920, 21089)]