7131779840

素因数分解:

$2^8\times 5^1\times {\mathrm{2179}}^1\times {\mathrm{2557}}^1$

素因数の和:4757

約数の個数: 72

約数和(自身を含む): 17097365040

約数和(自身を除く): 9965585200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 2179, 2557, 4358, 5114, 8716, 10228, 10895, 12785, 17432, 20456, 21790, 25570, 34864, 40912, 43580, 51140, 69728, 81824, 87160, 102280, 139456, 163648, 174320, 204560, 278912, 327296, 348640, 409120, 557824, 654592, 697280, 818240, 1394560, 1636480, 2789120, 3272960, 5571703, 11143406, 22286812, 27858515, 44573624, 55717030, 89147248, 111434060, 178294496, 222868120, 356588992, 445736240, 713177984, 891472480, 1426355968, 1782944960, 3565889920, 7131779840]

約数ペア:

[(1, 7131779840), (2, 3565889920), (4, 1782944960), (5, 1426355968), (8, 891472480), (10, 713177984), (16, 445736240), (20, 356588992), (32, 222868120), (40, 178294496), (64, 111434060), (80, 89147248), (128, 55717030), (160, 44573624), (256, 27858515), (320, 22286812), (640, 11143406), (1280, 5571703), (2179, 3272960), (2557, 2789120), (4358, 1636480), (5114, 1394560), (8716, 818240), (10228, 697280), (10895, 654592), (12785, 557824), (17432, 409120), (20456, 348640), (21790, 327296), (25570, 278912), (34864, 204560), (40912, 174320), (43580, 163648), (51140, 139456), (69728, 102280), (81824, 87160)]