139463480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268199}}^1$

素因数の和:268223

約数の個数: 32

約数和(自身を含む): 337932000

約数和(自身を除く): 198468520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 268199, 536398, 1072796, 1340995, 2145592, 2681990, 3486587, 5363980, 6973174, 10727960, 13946348, 17432935, 27892696, 34865870, 69731740, 139463480]

約数ペア:

[(1, 139463480), (2, 69731740), (4, 34865870), (5, 27892696), (8, 17432935), (10, 13946348), (13, 10727960), (20, 6973174), (26, 5363980), (40, 3486587), (52, 2681990), (65, 2145592), (104, 1340995), (130, 1072796), (260, 536398), (520, 268199)]