31351040

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{3499}}^1$

素因数の和:3527

約数の個数: 72

約数和(自身を含む): 85848000

約数和(自身を除く): 54496960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 3499, 4480, 6998, 8960, 13996, 17495, 24493, 27992, 34990, 48986, 55984, 69980, 97972, 111968, 122465, 139960, 195944, 223936, 244930, 279920, 391888, 447872, 489860, 559840, 783776, 895744, 979720, 1119680, 1567552, 1959440, 2239360, 3135104, 3918880, 4478720, 6270208, 7837760, 15675520, 31351040]

約数ペア:

[(1, 31351040), (2, 15675520), (4, 7837760), (5, 6270208), (7, 4478720), (8, 3918880), (10, 3135104), (14, 2239360), (16, 1959440), (20, 1567552), (28, 1119680), (32, 979720), (35, 895744), (40, 783776), (56, 559840), (64, 489860), (70, 447872), (80, 391888), (112, 279920), (128, 244930), (140, 223936), (160, 195944), (224, 139960), (256, 122465), (280, 111968), (320, 97972), (448, 69980), (560, 55984), (640, 48986), (896, 34990), (1120, 27992), (1280, 24493), (1792, 17495), (2240, 13996), (3499, 8960), (4480, 6998)]