1000147399280

素因数分解:

$2^4\times 5^1\times {\mathrm{491}}^1\times {\mathrm{25462001}}^1$

素因数の和:25462505

約数の個数: 40

約数和(自身を含む): 2330078727024

約数和(自身を除く): 1329931327744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 491, 982, 1964, 2455, 3928, 4910, 7856, 9820, 19640, 39280, 25462001, 50924002, 101848004, 127310005, 203696008, 254620010, 407392016, 509240020, 1018480040, 2036960080, 12501842491, 25003684982, 50007369964, 62509212455, 100014739928, 125018424910, 200029479856, 250036849820, 500073699640, 1000147399280]

約数ペア:

[(1, 1000147399280), (2, 500073699640), (4, 250036849820), (5, 200029479856), (8, 125018424910), (10, 100014739928), (16, 62509212455), (20, 50007369964), (40, 25003684982), (80, 12501842491), (491, 2036960080), (982, 1018480040), (1964, 509240020), (2455, 407392016), (3928, 254620010), (4910, 203696008), (7856, 127310005), (9820, 101848004), (19640, 50924002), (39280, 25462001)]