12837980

素因数分解:

$2^2\times 5^1\times {\mathrm{653}}^1\times {\mathrm{983}}^1$

素因数の和:1645

約数の個数: 24

約数和(自身を含む): 27028512

約数和(自身を除く): 14190532

約数列:

[1, 2, 4, 5, 10, 20, 653, 983, 1306, 1966, 2612, 3265, 3932, 4915, 6530, 9830, 13060, 19660, 641899, 1283798, 2567596, 3209495, 6418990, 12837980]

約数ペア:

[(1, 12837980), (2, 6418990), (4, 3209495), (5, 2567596), (10, 1283798), (20, 641899), (653, 19660), (983, 13060), (1306, 9830), (1966, 6530), (2612, 4915), (3265, 3932)]