245455880

素因数分解:

$2^3\times 5^1\times {\mathrm{1229}}^1\times {\mathrm{4993}}^1$

素因数の和:6233

約数の個数: 32

約数和(自身を含む): 552835800

約数和(自身を除く): 307379920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1229, 2458, 4916, 4993, 6145, 9832, 9986, 12290, 19972, 24580, 24965, 39944, 49160, 49930, 99860, 199720, 6136397, 12272794, 24545588, 30681985, 49091176, 61363970, 122727940, 245455880]

約数ペア:

[(1, 245455880), (2, 122727940), (4, 61363970), (5, 49091176), (8, 30681985), (10, 24545588), (20, 12272794), (40, 6136397), (1229, 199720), (2458, 99860), (4916, 49930), (4993, 49160), (6145, 39944), (9832, 24965), (9986, 24580), (12290, 19972)]