2781569356540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{53760521}}^1$

素因数の和:53760742

約数の個数: 48

約数和(自身を含む): 6322237387200

約数和(自身を除く): 3540668030660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 199, 260, 398, 796, 995, 1990, 2587, 3980, 5174, 10348, 12935, 25870, 51740, 53760521, 107521042, 215042084, 268802605, 537605210, 698886773, 1075210420, 1397773546, 2795547092, 3494433865, 6988867730, 10698343679, 13977735460, 21396687358, 42793374716, 53491718395, 106983436790, 139078467827, 213966873580, 278156935654, 556313871308, 695392339135, 1390784678270, 2781569356540]

約数ペア:

[(1, 2781569356540), (2, 1390784678270), (4, 695392339135), (5, 556313871308), (10, 278156935654), (13, 213966873580), (20, 139078467827), (26, 106983436790), (52, 53491718395), (65, 42793374716), (130, 21396687358), (199, 13977735460), (260, 10698343679), (398, 6988867730), (796, 3494433865), (995, 2795547092), (1990, 1397773546), (2587, 1075210420), (3980, 698886773), (5174, 537605210), (10348, 268802605), (12935, 215042084), (25870, 107521042), (51740, 53760521)]