12508726400

素因数分解:

$2^7\times 5^2\times {\mathrm{977}}^1\times {\mathrm{4001}}^1$

素因数の和:5002

約数の個数: 96

約数和(自身を含む): 30939822180

約数和(自身を除く): 18431095780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 977, 1600, 1954, 3200, 3908, 4001, 4885, 7816, 8002, 9770, 15632, 16004, 19540, 20005, 24425, 31264, 32008, 39080, 40010, 48850, 62528, 64016, 78160, 80020, 97700, 100025, 125056, 128032, 156320, 160040, 195400, 200050, 256064, 312640, 320080, 390800, 400100, 512128, 625280, 640160, 781600, 800200, 1280320, 1563200, 1600400, 2560640, 3126400, 3200800, 3908977, 6401600, 7817954, 12803200, 15635908, 19544885, 31271816, 39089770, 62543632, 78179540, 97724425, 125087264, 156359080, 195448850, 250174528, 312718160, 390897700, 500349056, 625436320, 781795400, 1250872640, 1563590800, 2501745280, 3127181600, 6254363200, 12508726400]

約数ペア:

[(1, 12508726400), (2, 6254363200), (4, 3127181600), (5, 2501745280), (8, 1563590800), (10, 1250872640), (16, 781795400), (20, 625436320), (25, 500349056), (32, 390897700), (40, 312718160), (50, 250174528), (64, 195448850), (80, 156359080), (100, 125087264), (128, 97724425), (160, 78179540), (200, 62543632), (320, 39089770), (400, 31271816), (640, 19544885), (800, 15635908), (977, 12803200), (1600, 7817954), (1954, 6401600), (3200, 3908977), (3908, 3200800), (4001, 3126400), (4885, 2560640), (7816, 1600400), (8002, 1563200), (9770, 1280320), (15632, 800200), (16004, 781600), (19540, 640160), (20005, 625280), (24425, 512128), (31264, 400100), (32008, 390800), (39080, 320080), (40010, 312640), (48850, 256064), (62528, 200050), (64016, 195400), (78160, 160040), (80020, 156320), (97700, 128032), (100025, 125056)]