4009799680

素因数分解:

$2^{12}\times 5^1\times {\mathrm{195791}}^1$

素因数の和:195820

約数の個数: 52

約数和(自身を含む): 9622393632

約数和(自身を除く): 5612593952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 2048, 2560, 4096, 5120, 10240, 20480, 195791, 391582, 783164, 978955, 1566328, 1957910, 3132656, 3915820, 6265312, 7831640, 12530624, 15663280, 25061248, 31326560, 50122496, 62653120, 100244992, 125306240, 200489984, 250612480, 400979968, 501224960, 801959936, 1002449920, 2004899840, 4009799680]

約数ペア:

[(1, 4009799680), (2, 2004899840), (4, 1002449920), (5, 801959936), (8, 501224960), (10, 400979968), (16, 250612480), (20, 200489984), (32, 125306240), (40, 100244992), (64, 62653120), (80, 50122496), (128, 31326560), (160, 25061248), (256, 15663280), (320, 12530624), (512, 7831640), (640, 6265312), (1024, 3915820), (1280, 3132656), (2048, 1957910), (2560, 1566328), (4096, 978955), (5120, 783164), (10240, 391582), (20480, 195791)]