423930260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1630501}}^1$

素因数の和:1630523

約数の個数: 24

約数和(自身を含む): 958735176

約数和(自身を除く): 534804916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 1630501, 3261002, 6522004, 8152505, 16305010, 21196513, 32610020, 42393026, 84786052, 105982565, 211965130, 423930260]

約数ペア:

[(1, 423930260), (2, 211965130), (4, 105982565), (5, 84786052), (10, 42393026), (13, 32610020), (20, 21196513), (26, 16305010), (52, 8152505), (65, 6522004), (130, 3261002), (260, 1630501)]