19691329600

素因数分解:

$2^6\times 5^2\times {\mathrm{109}}^1\times {\mathrm{112909}}^1$

素因数の和:113040

約数の個数: 84

約数和(自身を含む): 48897933700

約数和(自身を除く): 29206604100

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 109, 160, 200, 218, 320, 400, 436, 545, 800, 872, 1090, 1600, 1744, 2180, 2725, 3488, 4360, 5450, 6976, 8720, 10900, 17440, 21800, 34880, 43600, 87200, 112909, 174400, 225818, 451636, 564545, 903272, 1129090, 1806544, 2258180, 2822725, 3613088, 4516360, 5645450, 7226176, 9032720, 11290900, 12307081, 18065440, 22581800, 24614162, 36130880, 45163600, 49228324, 61535405, 90327200, 98456648, 123070810, 180654400, 196913296, 246141620, 307677025, 393826592, 492283240, 615354050, 787653184, 984566480, 1230708100, 1969132960, 2461416200, 3938265920, 4922832400, 9845664800, 19691329600]

約数ペア:

[(1, 19691329600), (2, 9845664800), (4, 4922832400), (5, 3938265920), (8, 2461416200), (10, 1969132960), (16, 1230708100), (20, 984566480), (25, 787653184), (32, 615354050), (40, 492283240), (50, 393826592), (64, 307677025), (80, 246141620), (100, 196913296), (109, 180654400), (160, 123070810), (200, 98456648), (218, 90327200), (320, 61535405), (400, 49228324), (436, 45163600), (545, 36130880), (800, 24614162), (872, 22581800), (1090, 18065440), (1600, 12307081), (1744, 11290900), (2180, 9032720), (2725, 7226176), (3488, 5645450), (4360, 4516360), (5450, 3613088), (6976, 2822725), (8720, 2258180), (10900, 1806544), (17440, 1129090), (21800, 903272), (34880, 564545), (43600, 451636), (87200, 225818), (112909, 174400)]