1245652720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1197743}}^1$

素因数の和:1197769

約数の個数: 40

約数和(自身を含む): 3118925376

約数和(自身を除く): 1873272656

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 1197743, 2395486, 4790972, 5988715, 9581944, 11977430, 15570659, 19163888, 23954860, 31141318, 47909720, 62282636, 77853295, 95819440, 124565272, 155706590, 249130544, 311413180, 622826360, 1245652720]

約数ペア:

[(1, 1245652720), (2, 622826360), (4, 311413180), (5, 249130544), (8, 155706590), (10, 124565272), (13, 95819440), (16, 77853295), (20, 62282636), (26, 47909720), (40, 31141318), (52, 23954860), (65, 19163888), (80, 15570659), (104, 11977430), (130, 9581944), (208, 5988715), (260, 4790972), (520, 2395486), (1040, 1197743)]